TY - CONF A1 - Vogl, Jochen T1 - Measurement Uncertainty in Isotope Ratio Measurements N2 - The importance for measurement uncertainty in isotope ratio measurements is expalined and different approaches for calculating measurement uncertainty for absolute isotope ratios, isotope deltas and conventional isotope ratios are presented. T2 - Workshop & Training "Isotope Ratio Analysis" CY - Pathum Thani, Thailand DA - 06.12.2023 KW - Isotope delta KW - Absolute isotope ratio KW - Conventional isotope ratio PY - 2023 AN - OPUS4-59169 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Metrology in Chemistry - Basics and international structure N2 - Basics in Metrology in Chemistry are explained and the international structure of the metrology network is presented. T2 - Workshop & Training "Isotope Ratio Analysis" CY - Pathum Thani, Thailand DA - 06.12.2023 KW - Metrology in Chemistry KW - Traceability KW - Uncertainty PY - 2023 AN - OPUS4-59163 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Isotope Ratio Analysis N2 - Basic information on isotope ratio analysis is provided. Isotope fractionation is discussed and the measurement process is described. Additionally, practical examples are provided. T2 - Workshop & Training "Isotope Ratio Analysis" CY - Pathum Thani, Thailand DA - 06.12.2023 KW - Isotope fractionation KW - Mass spectrometry KW - Terminology PY - 2023 AN - OPUS4-59164 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Isotope Ratio Measurement - Quantities and calibration N2 - The quantities and the terminoly in isotope ratio measurements is presented, followed by explaining calibration approaches for isotope ratio measurements. Sources of error and bias are presented and special focus is given on single detector mass spectrometry. T2 - Workshop & Training "Isotope Ratio Analysis" CY - Pathum Thani, Thailand DA - 06.12.2023 KW - Isotope fractionation KW - Matrix separation KW - Interferences KW - Noise KW - Optimization PY - 2023 AN - OPUS4-59165 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Detector deadtime N2 - Deadtime effects for counting detectors in ICP-MS and deadtime correction are discussed. Approaches for determining the deadtime are presented. T2 - Workshop & Training "Isotope Ratio Analysis" CY - Pathum Thani, Thailand DA - 06.12.2023 KW - Counting detector KW - Detector deadtime KW - Isotope ratio KW - Dual mode detector PY - 2023 AN - OPUS4-59166 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Isleyen, Alper A1 - Can, Suleyman Z. A1 - Cankur, Oktay A1 - Engin, Betul Ari A1 - Vogl, Jochen A1 - Koenig, Maren A1 - Horvat, Milena A1 - Jacimovic, Radojko A1 - Zuliani, Tea A1 - Fajon, Vesna A1 - Jotanovic, Aida A1 - Gaževic, Luka A1 - Milosevic, Milena A1 - Ochsenkuehn–Petropoulou, Maria A1 - Tsopelas, Fotis A1 - Lymberopoulou, Theopisti A1 - Tsakanika, Lamprini-Areti A1 - Serifi, Olga A1 - Ochsenkuehn, Klaus M. A1 - Bulska, Ewa A1 - Tomiak, Anna A1 - Kurek, Eliza A1 - Cakılbahçe, Zehra A1 - Aktas, Gokhan A1 - Altuntas, Hatice A1 - Basaran, Elif A1 - Kısacık, Barıs A1 - Gumus, Zeynep T1 - Certification of the total element mass fractions in UME EnvCRM 03 soil sample via a joint research project N2 - Soil certified reference material (CRM), UME EnvCRM 03 was produced by a collaborative approach among national metrology institutes, designated institutes and university research laboratories within the scope of the EMPIR project: Matrix Reference Materials for Environmental Analysis. This paper presents the sampling and processing methodology, homogeneity, stability, characterization campaign, the assignment of property values and their associated uncertainties in compliance with ISO 17034:2016. The material processing methodology involves blending a natural soil sample with a contaminated soil sample obtained by spiking elemental solutions for 8 elements (Cd, Co, Cu, Hg, Ni, Pb, Sb and Zn) to reach the level of warning risk monitoring values specified for metals and metalloids of soils in Europe. Comparative homogeneity and stability test data were obtained by two different institutes, ensuring the reliability and back up of the data. The certified values and associated expanded uncertainties for the total mass fractions of thirteen elements (As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Sb, V and Zn) are established. The developed CRM can be used for the development and validation of measurement procedures for the determination of the total mass fractions of elements in soil and also for quality control/assurance purposes. The developed CRM is the first example of a soil material originating from Türkiye. KW - Total element content KW - Soil KW - CRM KW - Certification KW - Environmental pollution monitoring PY - 2024 DO - https://doi.org/10.1007/s00769-024-01597-8 SN - 1432-0517 VL - 29 SP - 293 EP - 301 PB - Springer Science and Business Media LLC AN - OPUS4-59954 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Kazlagić, Anera A1 - Rosner, M. A1 - Vogl, Jochen T1 - Investigating the differences between MC-ICP-MS and MC-TIMS using conventional 87Sr/86Sr isotope ratios in limestone and slate reference materials N2 - The Federal Institute for Materials Research and Testing (BAM) organised an interlaboratory comparison (ILC) for the characterisation of 87Sr/86Sr isotope ratios in limestone (IAG/CGL ML-3) and Penrhyn slate (IAG OU-6) reference materials by applying the conventional method for 87Sr/86Sr isotope ratios. Samples were sent to thirteen analytical laboratories . Since both samples are powdered, rock materials, dissolution of the sample and Sr isolation via ion exchange chromatography were mandatory. This was done using acid, microwave/acid, bomb/acid digestion or borate fusion and subsequent isolation of Sr by means of commercially available ion exchange resins. In this study, we present and discuss the potential effects that differences between laboratories, and between two instrumental measurement techniques (i.e., MC-ICP-MS and MC-TIMS), may have upon the dispersion of measurement results of the 87Sr/86Sr isotope ratio in the two aforementioned reference materials. We used a statistical mixed effects model to assess the potential effects of both the laboratory and the measurement technique. Consensus values for both materials and associated standard uncertainties {(IAG/CGL ML-3 (0.708245±0.000004) mol/mol; IAG OU-6 (0.729769±0.000008) mol/mol} were estimated by fitting a linear, Gaussian mixed effects model (Pinheiro and Bates 2000) using the R function “lmer” defined in package “lme4”. The statistical results showed that there is no significant effect attributable to differences between instrumental techniques when both materials are considered together, or separately. The p-value of the test of significance of the measurement technique effect is greater than 0.54. For both materials there were statistically significant effects attributable to differences between laboratories when the measurement results for both materials were considered together and separately. This effect is less than 0.00004 in absolute value. However, for neither material did consideration or disregard for such differences induce significant changes in the estimate of the consensus value for the 87Sr/86Sr isotope ratio. Therefore, the effects attributable to differences between instrumental techniques or between laboratories can safely be disregarded when computing the best estimate for the true value of 87Sr/86Sr isotope ratio in these materials, by the community of expert laboratories represented in this study. T2 - GeoAnalysis 2022 CY - Freiberg, Germany DA - 06.08.2022 KW - Isotope ratio KW - Conventional isotope ratio KW - ILC KW - Traceability KW - Uncertainty KW - Isotope reference materials PY - 2022 AN - OPUS4-56848 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Pramann, A. A1 - Vogl, Jochen A1 - Flierl, L. A1 - Rienitz, O. T1 - Determination of absolute (SI‐traceable) isotope ratios: The use of Gravimetric Isotope Mixtures N2 - The presentation is brief overview on how to use gravimetric isotope mixtures to determine SI traceable isotope ratios. There is no mass spectrometer on earth that directly measures isotope ratios. Mass spectrometers will always measure signal intensity ratios instead. The actual problem is that the measured intensity ratios differ more or less from the isotope ratios. The difference can be up to more than 10 % in case of lithium while it‘s below 1 % in case of the heavier elements like lead or uranium. Consequently, the signal intensity ratios are expressed for example in V/V depending on the type of mass spectrometer you are using, while the isotope ratios are expressed in mol/mol. This phenomenon is called Instrumental Isotopic Fractionation (or short IIF) but the more common name is still mass bias (even though this name is not entirely correct). To convert the measured into the isotope ratio usually a simple multiplication with a so-called correction (or short K) factor is done. Therefore, the problem is to determine the K factor. In absence of isotope reference materials the golden route is via gravimetric isotope mixtures, which will be explained within the presentation. T2 - CCRI-CCQM Workshop on the use of mass spectrometry in radionuclide metrology: Opportunities and challenges - Video Tutorial CY - Online meeting DA - 14.02.2023 KW - Absolute isotope ratio KW - Traceability KW - Uncertainty KW - Isotope mixtures PY - 2023 AN - OPUS4-57172 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Isotope Ratio Measurements and Certification of iCRMs at BAM N2 - A short overview on isotope ratio measurements at BAM and related CRM activities is given. The current isotope CRM range offered by BAM and future iCRM projects are presented. T2 - CCQM IRWG Meeting CY - Sevres, France DA - 24.04.2023 KW - Absolute isotope ratio KW - Reference material KW - Metrology KW - Traceability PY - 2023 AN - OPUS4-57399 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - IRWG strategy update N2 - An update of the IRWG strategy for the period 2023-2030 is given. The status and the futuere work of the task group on quantities, symbols and units is discussed. The present status of IRWG comparisons is shown and the need for specific key comparisons is discussed. T2 - CCQM IRWG Meeting CY - Sevres, France DA - 24.04.2023 KW - Isotope ratio KW - Traceability KW - Metrology PY - 2023 AN - OPUS4-57400 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Plan for comparison on absolute Cu isotope ratios by applying the isotope mixture approach N2 - The reference method for obtaining absolute isotope ratios still is the isotope mixture approach. Due the huge efforts required the full isotope mixture approach is applied only by a few institutes worldwide. To enable an IRWG key comparison with a sufficiently large number of participants a proposal for absolute cu isotope ratios is presented where participants will be provided with the enriched isotopes, the isotope mixtures and the samples. In parallel a pilot study will be organized where alternative approaches for obtaining absolute Cu isotope ratios can be applied. T2 - CCQM IRWG Meeting CY - Sevres, France DA - 24.04.2023 KW - Absolute isotope ratio KW - Traceability KW - Metrology PY - 2023 AN - OPUS4-57401 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Flierl, Lukas A1 - Rienitz, Olaf A1 - Vogl, Jochen A1 - Pramann, Axel T1 - An advancement of the gravimetric isotope mixture method rendering the knowledge of the spike purity superfluous N2 - The gravimetric isotope mixture method is the primary method to determine absolute isotope ratios. This method, however, depends on the existence of suitable spike materials and knowledge of their purities. Determining the purity of the spikes can be tedious and labour-intensive. In this publication, an advancement of the gravimetric isotope mixture method, rendering the determination of the purity of the spike materials unnecessary, is presented. The advancement combines mass spectrometry and ion chromatography leading to an approach being independent of the purity of the spike materials. In the manuscript the mathematical background and the basic idea of the novel approach are described using a two-isotope system like copper or lithium. KW - Isotope amount ratios KW - Metrology KW - Mass spectrometry KW - Ion chromatography PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-608726 DO - https://doi.org/10.1007/s00216-024-05465-9 SP - 5325 EP - 5333 PB - Springer Science and Business Media LLC AN - OPUS4-60872 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Hill, Sarah A1 - Infante, Heidi Goenaga A1 - Entwisle, John A1 - Strekopytov, Stanislav A1 - Ward-Deitrich, Christian A1 - Cowen, Simon A1 - Rienitz, Olaf A1 - Roethke, Anita A1 - Goerlitz, Volker A1 - Schulz, Ursula A1 - Pape, Carola A1 - Vogl, Jochen A1 - Koenig, Maren A1 - Jacimovic, Radojko A1 - Fisicaro, Paola A1 - Ren, Tongxiang A1 - Wang, Song A1 - Song, Panshu A1 - Li, Haifeng A1 - Linsky, Maré A1 - Sobina, Egor A1 - Lozano, Hernán Ezequiel A1 - Puelles, Mabel A1 - Yamani, Randa A1 - Haraldsson, Conny T1 - CCQM-K160: platinum group elements in automotive catalyst N2 - The platinum group elements (PGEs) play an important role in reducing emissions from automotive vehicles through their use in catalytic convertors but also for catalysis in the pharmaceutical industry. The immense economic value of platinum (Pt), palladium (Pd) and rhodium (Rh) highlights the importance of highly accurate measurements. Therefore, there is a need for National Metrology Institutes (NMIs) and Designated Institutes (DIs) to demonstrate measurement capability in this space. A pilot comparison (CCQM-P63) for precious metals in automotive catalyst took place in 2006, but with a limited number of institutes participating. Furthermore, this study was performed over 17 years ago. Therefore, there was a need to maintain existing capability and demonstrate new capability in a key comparison, in order to claim calibration and measurement capability claims (CMCs). With the core capability matrix, this study falls into the "Difficult to dissolve metals/metal oxides" which will support CMC categories 8 (Metal and metal alloys), 9 (Advanced materials) and 14 (Other materials). Eleven NMIs and DIs participated in the Key Comparison CCQM-K160 Platinum Group Elements in Automotive Catalyst. Participants were requested to evaluate the mass fractions of Pt, Pd and Rh in mg/kg in an unused autocatalyst material (cordierite ceramic base). The Key Comparison Reference Values (KCRVs) and Degrees of Equivalence (DoEs) were calculated utilising the NIST Decision Tree for the measurands. The participants utilised a number of sample preparation and analytical methods including hot plate digestion, microwave digestion and sodium fusion, followed by either atomic absorption spectroscopy (AAS), inductively coupled plasma optical emission spectroscopy (ICP-OES) or inductively coupled plasma mass spectrometry (ICP-MS) detection. Several calibration techniques were used, namely external calibration, standard addition, isotope dilution mass spectrometry (IDMS) and an exact matching procedure. Additionally, one participant employed instrumental neutron activation analysis (INAA) with k0 standardisation which is a direct solid analysis method. The majority of participants claimed traceability to NIST primary calibrants or their own CRMs. Furthermore, several matrix CRMs were included or spiked samples for quality control. All institutes were required to determine the dry mass fraction using the stipulated protocol. The NIST decision tree was implemented for the calculation of the KCRVs and DoEs. The participant results overall showed good agreement with the KCRV, despite the variety of dissolution procedures and measurement techniques for this highly complex matrix and challenging measurands. Successful participation in CCQM-K160 demonstrated measurement capabilities for the determination of mass fraction of Pt, Pd and Rh in the mg/kg range and will support broad scope CMC claims for a wide range of challenging matrices. To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database https://www.bipm.org/kcdb/. The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA). KW - Metrology in Chemistry KW - Traceability KW - Uncertainty PY - 2024 DO - https://doi.org/10.1088/0026-1394/61/1A/08011 VL - 61 IS - 1A SP - 1 EP - 39 PB - IOP Publishing AN - OPUS4-60524 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Isleyen, Alper A1 - Can, Suleyman Z. A1 - Cankur, Oktay A1 - Engin, Betul Ari A1 - Vogl, Jochen A1 - Koenig, Maren A1 - Horvat, Milena A1 - Jacimovic, Radojko A1 - Zuliani, Tea A1 - Fajon, Vesna A1 - Jotanovic, Aida A1 - Gaževic, Luka A1 - Milosevic, Milena A1 - Ochsenkuehn–Petropoulou, Maria A1 - Tsopelas, Fotis A1 - Lymberopoulou, Theopisti A1 - Tsakanika, Lamprini-Areti A1 - Serifi, Olga A1 - Ochsenkuehn, Klaus M. A1 - Bulska, Ewa A1 - Tomiak, Anna A1 - Kurek, Eliza A1 - Cakılbahçe, Zehra A1 - Aktas, Gokhan A1 - Altuntas, Hatice A1 - Basaran, Elif A1 - Kısacık, Barıs A1 - Gumus, Zeynep T1 - Correction: Certification of the total element mass fractions in UME EnvCRM 03 soil sample via a joint research project N2 - In this article the author’s name Betul Ari Engin was incorrectly written as Murat Tunc. The original article has been corrected. PY - 2024 DO - https://doi.org/10.1007/s00769-024-01611-z VL - 29 SP - 303 PB - Springer Science and Business Media LLC AN - OPUS4-60824 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Breuninger, Esther S. A1 - Tolu, Julie A1 - Aemisegger, Franziska A1 - Thurnherr, Iris A1 - Bouchet, Sylvain A1 - Mestrot, Adrien A1 - Ossola, Rachele A1 - McNeill, Kristopher A1 - Tukhmetova, Dariya A1 - Vogl, Jochen A1 - Meermann, Björn A1 - Sonke, Jeroen E. A1 - Winkel, Lenny H. E. T1 - Marine and terrestrial contributions to atmospheric deposition fluxes of methylated arsenic species N2 - Arsenic, a toxic element from both anthropogenic and natural sources, reaches surface environments through atmospheric cycling and dry and wet deposition. Biomethylation volatilizes arsenic into the atmosphere and deposition cycles it back to the surface, affecting soil-plant systems. Chemical speciation of deposited arsenic is important for understanding further processing in soils and bioavailability. However, the range of atmospheric transport and source signature of arsenic species remain understudied. Here we report significant levels ofmethylated arsenic in precipitation, cloudwater and aerosols collected under free tropospheric conditions at Pic du Midi Observatory (France) indicating long-range transport, which is crucial for atmospheric budgets. Through chemical analyses andmoisture source diagnostics, we identify terrestrial and marine sources for distinct arsenic species. Estimated atmospheric deposition fluxes of methylated arsenic are similar to reported methylation rates in soils, highlighting atmospheric deposition as a significant, overlooked source of potentially bioavailable methylated arsenic species impacting plant uptake in soils. KW - Arsenic KW - Speciation KW - Fluxes KW - Marine KW - Terrestrial KW - Sulfur isotopes PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-615551 DO - https://doi.org/10.1038/s41467-024-53974-z SN - 2041-1723 VL - 15 IS - 1 SP - 1 EP - 13 PB - Springer Science and Business Media LLC AN - OPUS4-61555 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - D'Agostino, Giancarlo A1 - Oelze, Marcus A1 - Vogl, Jochen A1 - Ghestem, Jean-Philippe A1 - Lafaurie, Nicolas A1 - Klein, Ole A1 - Pröfrock, Daniel A1 - Di Luzio, Marco A1 - Bergamaschi, Luigi A1 - Jaćimović, Radojko A1 - Oster, Caroline A1 - Irrgeher, Johanna A1 - Lancaster, Shaun T. A1 - Walch, Anna A1 - Röthke, Anita A1 - Michaliszyn, Lena A1 - Pramann, Axel A1 - Rienitz, Olaf A1 - Sara-Aho, Timo A1 - Cankur, Oktay A1 - Kutan, Derya A1 - Noireaux, Johanna T1 - Development and application of reference and routine analytical methods providing SI-traceable results for the determination of technology-critical elements in PCB from WEEE N2 - The recovery and reprocessing of technology-critical elements (TCE) present in printed circuit boards (PCB) from electrical and electronic waste is essential both for recycling valuable materials subject to supply risk and for reducing the environmental impact. Although the quantitative knowledge of TCE amounts in endof- life PCB plays a key role, there are neither matrix certified reference materials nor harmonized analytical methods available to establish the traceability of the results to the International System of Units. To fill these gaps, we developed and applied five reference analytical methods based on ICP-MS standard addition calibrations and INAA k0- and relative calibrations suitable to certify reference materials. In addition, we developed and tested six analytical methods based on more commonly used ICP-MS external standard calibrations to provide industry with routine analysis methods. Twenty TCE (Ag, Au, Co, Cu, Dy, Ga, Gd, Ge, In, La, Li, Nd, Ni, Pd, Pr, Pt, Rh, Sm, Ta and Ti) were selected as target analytes and a batch of powdered PCB was used as measurement material. An overall mutual agreement was observed among data collected by reference methods at a few percent relative uncertainty levels. Moreover, all but one of the methods developed for routine analysis demonstrated their suitability in industrial applications by producing data within ± 20% of the values established with reference methods. KW - Technology critical elements KW - Electronic waste KW - Printed circuit boards KW - Traceability KW - Uncertainty PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-612416 DO - https://doi.org/10.1039/d4ja00235k SN - 1364-5544 VL - 39 IS - 11 SP - 2809 EP - 2823 PB - Royal Society of Chemistry (RSC) AN - OPUS4-61241 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Lancaster, Shaun T. A1 - Sahlin, Eskil A1 - Oelze, Marcus A1 - Ostermann, Markus A1 - Vogl, Jochen A1 - Laperche, Valérie A1 - Touze, Solène A1 - Ghestem, Jean-Philippe A1 - Dalencourt, Claire A1 - Gendre, Régine A1 - Stammeier, Jessica A1 - Klein, Ole A1 - Pröfrock, Daniel A1 - Košarac, Gala A1 - Jotanovic, Aida A1 - Bergamaschi, Luigi A1 - Di Luzio, Marco A1 - D’Agostino, Giancarlo A1 - Jaćimović, Radojko A1 - Eberhard, Melissa A1 - Feiner, Laura A1 - Trimmel, Simone A1 - Rachetti, Alessandra A1 - Sara-Aho, Timo A1 - Roethke, Anita A1 - Michaliszyn, Lena A1 - Pramann, Axel A1 - Rienitz, Olaf A1 - Irrgeher, Johanna T1 - Evaluation of X-ray fluorescence for analysing critical elements in three electronic waste matrices: A comprehensive comparison of analytical techniques N2 - As the drive towards recycling electronic waste increases, demand for rapid and reliable analytical methodology to analyse the metal content of the waste is increasing, e.g. to assess the value of the waste and to decide the correct recycling routes. Here, we comprehensively assess the suitability of different x-ray fluorescence spectroscopy (XRF)-based techniques as rapid analytical tools for the determination of critical raw materials, such as Al, Ti, Mn, Fe, Co, Ni, Cu, Zn, Nb, Pd and Au, in three electronic waste matrices: printed circuit boards (PCB), light emitting diodes (LED), and lithium (Li)-ion batteries. As validated reference methods and materials to establish metrological traceability are lacking, several laboratories measured test samples of each matrix using XRF as well as other independent complementary techniques (instrumental neutron activation analysis (INAA), inductively coupled plasma mass spectrometry (ICP-MS) and ICP optical emission spectrometry (OES)) as an inter-laboratory comparison (ILC). Results highlighted key aspects of sample preparation, limits of detection, and spectral interferences that affect the reliability of XRF, while additionally highlighting that XRF can provide more reliable data for certain elements compared to digestion-based approaches followed by ICP-MS analysis (e.g. group 4 and 5 metals). A clear distinction was observed in data processing methodologies for wavelength dispersive XRF, highlighting that considering the metals present as elements (rather than oxides) induces overestimations of the mass fractions when compared to other techniques. Eventually, the effect of sample particle size was studied and indicated that smaller particle size (<200 μm) is essential for reliable determinations. KW - XRF KW - WEEE KW - PCB KW - Battery KW - LED KW - Recycling PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-614060 DO - https://doi.org/10.1016/j.wasman.2024.10.015 VL - 190 SP - 496 EP - 505 PB - Elsevier B.V. AN - OPUS4-61406 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Applicability of CCQM-P149 to support CMCs N2 - The presentation describes the limitations of CCQM-P149 to be used for supporting CMCs and it gives possibilities and applications where CCQM-P149 can provide additional Support. T2 - CCQM IAWG Meeting CY - Daejeon, South Korea DA - 04.10.2016 KW - CCQM KW - CMC KW - Purity assessment PY - 2016 AN - OPUS4-38586 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Roadmap for purity determination N2 - A Roadmap for the purity Determination of pure metallic elements is presented. The roadmap distinguishes between different approaches for the purity determination and list theindividual steps for each Approach which are necessary to successfully apply These approaches. T2 - CCQM IAWG Meeting CY - Daejeon, South Korea DA - 04.10.2016 KW - Traceability KW - Purity determination PY - 2016 AN - OPUS4-38590 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Isotope ratio measurements and certification of iRMs at BAM N2 - This presentation gives a short overview of isotope ratio measurements being carried out in the past few years at BAM in different fields such as plant metabolism, food web structures and archaeology. The corresponding isotope reference materials which have been certified at BAM in parallel are presented as well. Additionally an outlook is being provided on future iRM projects. T2 - Meeting of the Isotope Ratio Working Groupt of CCQM CY - Ottawa, Canada DA - 04.10.2018 KW - Isotope reference material KW - Delta value KW - Isotope amount ratio KW - Traceability KW - Uncertainty PY - 2018 AN - OPUS4-47159 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen A1 - Rosner, M. A1 - Curbera, J. A1 - Peltz, U. A1 - Peplinski, Burkhard T1 - Lead isotope analysis in magic artefacts from the Berlin museums N2 - A set of 59 ancient magical artefacts, mainly made of lead, was selected from the collections of the Staatliche Museen zu Berlin in order to unravel their origins. All the selected artefacts have been studied for their Pb isotope compositions, which covered the whole range of the Mediterranean ore deposits. However, the majority (≈86%) were made of lead matching the small compositional range of the Laurion ore deposits. Only eight out of the 59 artefacts were made of recycled lead or lead from other ore deposits. Additionally, all but two were approximately dated based on their inscriptions. The lead isotopic composition together with information obtained from the inscriptions, the resulting dating, the context of the find and the known history of each item allowed us to gain more detailed information about the origins of these magical artefacts. The Attic provenance of 36 curse tablets was confirmed, whereas for 11 curse tablets previously classified as non-Attic, the provenance was either confirmed and specified (six artefacts) or changed to Attic (five artefacts). Surprisingly, the majority (six out of eight) of the analysed curse tablets from the Egyptian collection showed a lead isotopic composition closely matching that of Laurion. A Laurion-like lead isotopic composition was also observed for three of the four analysed oracular tablets from Dodona. Together with the dating information, this points to Laurion as the major and dominant lead source in the Aegean, at least during the fourth–third century B.C. The few curse tablets from earlier than the fourth–third century B.C. point to the use of multiple and thus isotopically more variable lead sources compared with the Roman times. KW - Lead isotopes KW - Pb isotopes KW - Greek curse tablets KW - Antikensammlung Berlin KW - Ägyptisches Museum Berlin PY - 2018 DO - https://doi.org/10.1007/s12520-016-0445-6 SN - 1866-9557 SN - 1866-9565 VL - 10 IS - 5 SP - 1111 EP - 1127 PB - Springer Verlag CY - Berlin AN - OPUS4-45628 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Isotope dilution mass spectrometry applied as primary method of measurement with examples from the ENVCRM project N2 - The presentation describes the application of isotope dilution mass spectrometry as a primary method of measurement with all Advantages and disadvantges. This is exempflified for the candidate reference materials within the EnvCRM Project. T2 - Workshop Matrix Reference Materials for Environmental Analysis CY - Gebze, Turkey DA - 16.05.2018 KW - Reference material KW - Soil KW - Heavy metals PY - 2018 AN - OPUS4-45896 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Delta values & isotope ratios - potential CCQM comparisons N2 - The talk presents several potential CCQM comparisons for delta values and isotope ratios with a focus on metals and semi-metals. T2 - CCQM IRWG Meeting CY - Paris, France DA - 18.04.2018 KW - Isotope amount ratio KW - Traceability KW - Uncertainty PY - 2018 AN - OPUS4-45895 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Vogl, Jochen T1 - Roadmap for the purity determination of pure metallic elements – Basic rinciples and helpful advice N2 - High purity materials can serve as a realisation of the Système International d’Unitès (SI) unit amount of substance for the specific element. Solutions prepared from such high purity materials using gravimetric preparation and the concept of molar mass are used as calibration solutions in many fields of analytical chemistry. Calibration solutions prepared this way provide the traceability to the SI and are the metrological basis in elemental analysis. The preparation and characterization of such primary pure substances, representing the realisation of the SI unit amount of substance, is undertaken only by a small number of National Metrology Institutes (NMI) and Designated Institutes (DI). Many other NMIs and DIs, however, prepare elemental calibration solutions as calibrants for their measurement services, such as the certification of matrix Reference Materials or the provision of reference values for Proficiency Testing schemes. The elemental calibration solutions used for this purpose are not a direct service to customers, such as preparing secondary calibration solutions, but provide the source of traceability for the other services. Hence, it is necessary for the NMI or DI to obtain data on the purity of the pure metals or other materials used to prepare the solutions with measurement uncertainties meeting the needs of the above described services. This is commonly undertaken as a “fit for purpose” assessment, appropriate for the uncertainty requirement of the service provided to customers. As a consequence, total purity measurements are a long-term strategy of CCQM-IAWG. Several studies were conducted (CCQM-P107, CCQM-K72 and CCQM-P149) on the measurement of the purity of zinc. From these studies, several conclusions can be drawn for the purity assessment of a pure (metallic) element. These conclusions will be put together in this document in order to assist all NMIs/DIs in performing a purity assessment, whenever needed. KW - Purity assessment KW - Metal assay approach KW - Impurity assessment approach KW - Traceability PY - 2018 UR - https://www.bipm.org/wg/CCQM/IAWG/Allowed/April_2017/CCQM-IAWG17-28.pdf.pdf SP - 1 EP - 9 CY - Sevre AN - OPUS4-46834 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Absolute Isotope Ratios N2 - Measurement results and scientific models leading to important decisions in forensics, food fraud or climatology are based on isotope ratio data. Molar masses of multi-isotopic elements are as well based on isotope ratio data. Thus, in the case of Si, isotope ratios directly impact the redefinition of the SI base units kilogram and mole. Therefore, new strategies are required leading to new primary isotope reference materials, whose isotope ratios are traceable to the SI. This in turn will ensure the comparability of isotope ratio data and will render the traceability exception requested by the CCQM superfluous. Such new procedures will be developed for the key elements S, Si, Ca, Sr and Nd at relative uncertainty levels of ≤ 0.01 %. T2 - EURAMET TC-MC Meeting CY - Vienna, Austria DA - 05.02.2018 KW - Metrology in chemistry KW - Isotope amount ratio KW - SI traceability KW - Atomic weight KW - Molar mass KW - Synthetic isotope mixtures PY - 2018 AN - OPUS4-44644 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Delta values, Delta zero reference materials and uncertainties N2 - Discussion of Delta values, Delta scales, delta Zero reference materials and measurement uncertainties for delta-values under metrological aspects. T2 - CCQM Isotope Ratio Task Group CY - Delft, Netherlands DA - 27.10.2017 KW - Traceability KW - Measurement uncertainty KW - Delta scale KW - Reference material PY - 2017 AN - OPUS4-42743 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Vogl, Jochen A1 - Yim, Y.-H. A1 - Lee, K.-S. A1 - Goenaga-Infante, H. A1 - Malinovskiy, D. A1 - Vocke, R. D. A1 - Murphy, K. A1 - Nonose, N. A1 - Rienitz, O. A1 - Noordmann, J. A1 - Näykki, T. A1 - Sara-Aho, T. A1 - Ari, B. A1 - Cankur, O. T1 - CCQM-P134 Pb isotope amount ratios and delta-values in bronze N2 - Isotope amount ratios (hereafter referred to as simply isotope ratios) are proving useful in an ever increasing array of applications that range from studies unravelling transport processes, to pinpointing the provenance of specific samples as well as trace element quantification by using isotope dilution mass spectrometry (IDMS). These expanding applications encompass fields as diverse as archaeology, food chemistry, forensic science, geochemistry, medicine and metrology. However, to be effective tools, the isotope ratio data must be reliable and traceable to enable the comparability of measurement. The importance of traceability and comparability in isotope ratio analysis has already been recognized by the Inorganic Analysis Working Group (IAWG) within the CCQM. Three pilot studies have focused on the quality of isotope ratio determinations (P48 “U isotope ratios in urine”, P75 “stable isotopes in Methionine”, P105 “87Sr/86Sr in wine”). Moreover, isotope ratio measurements are fundamental to IDMS amount of substance determinations. For example, when Pb quantification using IDMS is undertaken, this requires the measurements of Pb isotope ratios. While the requirements for isotope ratio accuracy and precision in the case of of IDMS are generally quite modest, “absolute” Pb isotope ratio measurements for geochemical age dating and source rock characterization as well as forensic provenance and fingerprinting studies require Pb isotope ratio measurements of the highest quality. To support present and future CMCs on isotope ratio determinations, a Key Comparison was urgently needed. Therefore, it was decided at the IAWG meeting in Paris in April 2011 that a Key Comparison on the determination of Pb isotope ratios in a pure Pb solution and in a bronze sample should be organized and accompanied by a pilot study. Measuring Pb isotope amount ratios in a pure Pb solution, while seemingly straight forward, rigorously tests the ability of analyst to correct for any instrumental effects (such as mass discrimination and blank correction) on the measured ratios. Pb, present in trace amounts in a metal matrix sample (e.g. Pb in bronze), provides a real world test of the whole chemical and instrumental procedure, from chemical separation and sample purification to analysis and subsequent correction of appropriate instrumental effects on the separated samples. A suitable bronze material with a Pb mass fraction between 10 and 100 mg·kg-1 was available at BAM. A high purity solution of Pb with a mass fraction of approximately 100 mg·kg-1 was also available. By comparing the Pb isotope ratio results obtained for the bronze sample with the Pb isotope ratio results from the Pb solution, potential biases arising from the processing of the bronze sample could be effectively identified and separated from the instrumental effects arising from the measurement and data processing protocol. KW - Isotope ratio KW - Delta value KW - Molar mass KW - Measurement uncertainty KW - Traceability PY - 2017 UR - https://www.bipm.org/wg/CCQM/IAWG/Allowed/IAWG_Pilot_Studies/CCQM-P134.pdf SP - 1 EP - 42 PB - BIPM (Bureau International des Poids et Mesures) CY - Paris AN - OPUS4-47709 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Tukhmetova, Dariya A1 - Langhammer, Nicole A1 - Vogl, Jochen A1 - Meermann, Björn T1 - Online Isotope Analysis of Sulfur in Proteins via Capillary Electrophoresis Coupled With Multicollector ICP‐MS (CE/MC‐ICP‐MS): A Proof of Concept Study N2 - Isotope ratio analysis of sulfur in biological samples using inductively coupled plasma-mass spectrometry (ICP-MS) has gained significant interest for applications in quantitative proteomics. Advancements like coupling separation techniques with multicollector ICP-MS (MC-ICP-MS) enhance the throughput of species-specific sulfur isotope ratio measurements, fostering new avenues for studying sulfur metabolism in complex biological matrices. This proof-of-concept study investigates the feasibility of online CE/MC-ICP-MS for directly analyzing sulfur isotope ratios in proteins (albumin). Leveraging our previous work on the applicability of CE/ICP-MS for quantifying sulfur-containing biological molecules, we explore its potential for sulfur isotope analysis. Our results demonstrate that direct analysis of sulfur isotopes in albumin protein using online capillary electrophoresis MC-ICP-MS (CE/MC-ICP-MS) eliminates the need for laborious pretreatment steps, while yielding isotope ratios comparable to the reference values. Although initial precision can be improved through further system optimization and protein injection techniques, this approach paves the way for future analysis of mixtures of various biological compounds in, for example, clinical diagnosis studies. KW - Isotope analysis KW - Sulfur KW - CE/MC-ICP-MS PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-612439 DO - https://doi.org/10.1002/elps.202400128 SN - 0173-0835 SP - 1 EP - 6 PB - Wiley-Blackwell CY - Weinheim AN - OPUS4-61243 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Isleyen, Alper A1 - Özcan, Kemal A1 - Tunc, Murat A1 - Boztepe, Aylin A1 - Coşkun, Fatma Gonca A1 - Moshammer, Kai A1 - Shehab, Moaaz A1 - Stratulat, Camelia A1 - Bratu, Adriana A1 - Hafner-Vuk, Katarina A1 - Vogl, Jochen A1 - Strzelec, Michał A1 - Calvo, Mariana Villegas A1 - Frey, Anne Mette A1 - Strauss, Helena T1 - Development of three biofuel CRMs for the quality parameters in biodiesel and wood pellet via a joint research project N2 - Biomass is a key element in biofuels which can be defined as a fuel produced through contemporary biological processes, and its increased use can support the EU’s aims of reducing greenhouse gas emissions. Information on the nature and the quality of the biomass or biofuel is important in order to support the optimization of their combustion with respect to realizing higher efficiencies and lower emissions during energy production. Three reference materials were produced by a collaborative approach among national metrology institutes and designated institutes within the scope of the EMPIR project: BIOFMET. The project was aimed to establish advanced traceable measurement standards for the determination of the calorific value, impurities, and other parameters such as density, kinematic viscosity, moisture, and ash. This paper presents the sampling and processing methodology, homogeneity, stability, characterization campaign, the assignment of property values, and their associated uncertainties in compliance with ISO 17034 for biofuel reference materials: biodiesel, wood pellet powder, and wood pellet. Parameters of interest in biodiesel reference material-UME BIOFMET CRM 01 are gross calorific value (GCV), density, viscosity, and mass fractions of Ca, K, Mg, Na, P, and S elements. Parameters to be certified in wood pellet powder reference material-UME BIOFMET CRM 02 are GCV, moisture, ash, and mass fractions of Al, Cr, K, Mg, Mn, Ni, S, and Zn elements. Parameters to be certified in the wood pellet reference material-UME BIOFMET CRM 03 are GCV and moisture. The homogeneity and stability of the materials were assessed in accordance with ISO 33405. The materials were characterized by interlaboratory comparison studies among competent metrology institute and designated institute laboratories. Assigned values and uncertainties of the certified values were calculated in accordance with ISO 33405, and uncertainties include characterization, homogeneity, and stability components. The developed CRMs are intended to be used for the development and validation of measurement procedures for the determination and quality control/assurance purposes of the quality parameters for biofuels. It should be emphasized that the UME BIOFMET CRM 01-Biodiesel CRM is the first biodiesel reference material certified for calorific value. Among the developed wood CRMs, the pellet form, UME BIOFMET CRM 03, was found to be more stable than the powder one, UME BIOFMET CRM 02, for the moisture parameter. Sixfold lower relative uncertainty value for short-term stability at 45 °C and twofold lower relative uncertainty value for long-term stability at 22 °C were obtained for the moisture parameter of the CRM in pellet form compared to the CRM in powder form. KW - Biofuel KW - Biodiesel KW - Wood pellet KW - Calorific value KW - Moisture KW - Element content PY - 2024 DO - https://doi.org/10.1007/s00216-024-05694-y SP - 1 EP - 13 PB - Springer Science and Business Media LLC AN - OPUS4-62371 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen A1 - Meyer, Christian A1 - Koenig, Maren A1 - Becker, Dorit A1 - Noordmann, J. A1 - Rienitz, O. A1 - Mamakos, A. A1 - Riccobono, F. T1 - A new two-stage separation procedure for the IDMS based quantification of low Pd and Pt amounts in automotive exhaust emissions N2 - A two-step separation procedure for the quantification of Pd and Pt in automotive exhaust emissions using isotope dilution mass spectrometry was established using a combination of cation and anion exchange chemistry. AG 50W-X12 was used as cation exchange resin and DGA as weakly basic anion exchange resin. This procedure enabled the effective separation of Pd and Pt from the matrix and from interfering elements. Additionally Pd and Pt were collected in separate chromatographic fractions, which increased the precision of the isotope ratio determination by separate measurements using single collector sector field ICPMS. The analytical procedure was validated by analysing the synthetically prepared samples and the certified reference materials BCR-723 (road dust) and IAEA-450 (algae). For the SI-traceable results complete uncertainty budgets were calculated yielding relatively expanded uncertainties (k = 2) of ≈1% for analyte masses in the ng range. Procedure blanks of 55 pg Pd and 3 pg Pt were obtained. The detection limits were calculated as 12 pg for Pd and 7 pg for Pt. Additionally, Pd and Pt blank levels of different filter materials are presented as well as the first results for automotive exhaust particles collected on cellulose filters. KW - Palladium KW - Platinum KW - Automotive exhaust emissions KW - IDMS PY - 2015 DO - https://doi.org/10.1039/c4ja00251b SN - 0267-9477 SN - 1364-5544 VL - 30 IS - 2 SP - 479 EP - 486 PB - Royal Society of Chemistry CY - London AN - OPUS4-32539 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Vogl, Jochen A1 - Rosner, Martin ED - Boschung, D. ED - Bremmer, J.N. T1 - Lead isotope analysis of an ancient voodoo doll KW - Archaeometry KW - Isotopes KW - Lead PY - 2015 SN - 978-3-7705-5725-7 SP - 127 EP - 132, Plates 1-5 PB - Wilhelm Fink GmbH & Co. Verlags-KG CY - Paderborn AN - OPUS4-33034 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Road-map for purity determination - Applied to pure metallic elements to be used for internal calibration solutions T2 - CCQM IAWG Meeting CY - Paris, France DA - 2015-04-16 PY - 2015 AN - OPUS4-33061 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-P149 - Purity determination of zinc to be used as primary standard for zinc determination T2 - CCQM IAWG Meeting CY - Paris, France DA - 2015-04-16 PY - 2015 AN - OPUS4-33062 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen T1 - Production and certification of Pd and Pt single spikes N2 - So-called spikes are solutions of isotopically enriched elements, which are used in isotope dilution mass spectrometry (IDMS) for the accurate quantification of element concentrations. Based on its proven records, especially in reference material certification IDMS is considered as one of the most powerful and most accurate methods for determining amounts of substance. Contrary to other calibration approaches, IDMS does not directly suffer from long-time changes or drifts in instrument sensitivity. Moreover, provided isotopic exchange between the sample and spike is ensured, losses of analyte do not affect the analytical result. Both advantages are based on the fact that largely unaffected by instrumental drift, setup or by matrix, unless an isobaric interference is present. PY - 2013 UR - http://minmag.geoscienceworld.org/content/77/5/2383.full.pdf+html DO - https://doi.org/10.1180/minmag.2013.077.5.22 SN - 1471-8022 VL - 77 IS - 5 SP - 2425 PB - Mineralogical Society of Great Britain and Ireland CY - London AN - OPUS4-32243 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Rosner, M. A1 - Vogl, Jochen T1 - Approaching real uncertainty estimates for delta 11B data N2 - The measurement uncertainty is an indispensable quality criterion of isotope ratio data and sets important limits for the general use and geochemical interpretation of such data. Despite traceability to the International System of Units (SI) or an accepted standard an uncertainty statement allows the direct comparison of isotope data which have been obtained in different laboratories and/or using different procedures. To realise traceability and comparability of isotope data a realistic uncertainty statements should include uncertainty contributions from all influence quantities. In isotope geochemistry, however, often the term uncertainty is used for terms describing the statistical dispersion of measurement results such as precision, repeatability or reproducibility. Because an measurement uncertainty must include all influence quantities even the so-called external precision or reproducibility will underestimate the overall uncertainty. Without uncertainty statement traceability and comparability of measurement results cannot be established. In cases where no uncertainty for isotope ratio data is presented it is highly recommended that at least the measurement results of a quality control sample with known isotope composition are presented which can be used to evaluate the accuracy and roughly estimate uncertainty. PY - 2013 UR - http://minmag.geoscienceworld.org/content/77/5/2015.full.pdf+html SN - 1471-8022 VL - 77 IS - 5 SP - 2085 PB - Mineralogical Society of Great Britain and Ireland CY - London AN - OPUS4-32244 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen A1 - Pritzkow, Wolfgang T1 - Isotope reference materials for present and future isotope research N2 - The variation of isotope abundance ratios is increasingly used to unravell natural and technical questions. In the past the investigation and interpretation of such variations was the field of a limited number of experts. With new upcoming techniques and research topics in the last decades, such as provenance and authenticity of food, the number of published isotope data strongly increased. The development of inductively coupled plasma mass spectrometers (ICPMS) from an instrument for simple quantitative analysis to highly sophisticated isotope abundance ratio machines influenced this process significantly. While in former times only experts in mass spectrometry were able to produce reproducible isotope data, nowadays many laboratories, never been in touch with mass spectrometry before, produce isotope data with an ICPMS. Especially for such user isotope reference materials (IRM) are indispensible to enable a reliable method validation. The fast development and the broad availability of ICPMS also lead to an expansion of the classical research areas and new elements are under investigation. Here all users require IRM to correct for mass fractionation or mass discrimination or at least to enable isotope data related to a common accepted basis. Despite this growing interest suitable IRM are still lacking for a number of isotope systems such as magnesium. PY - 2011 SN - 1471-8022 VL - 75 IS - 3 SP - 2098 PB - Mineralogical Society of Great Britain and Ireland CY - London AN - OPUS4-32683 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Rosner, Martin A1 - Vogl, Jochen T1 - New offset Delta11B isotope reference materials for geochemical and environmental boron isotope studies N2 - The isotopic composition of boron is a well established tool in various areas of Science and industries. Boron isotope compositions are typically reported as 6"B values which indicate the isotopic difference of a sample relative to the internationally accepted isotope reference material NIST SRM 951. A significant drawback of all of the available boron isotope reference materials is that non covers a natural boron isotope composition apart from NIST SRM 951. PY - 2011 SN - 1471-8022 VL - 75 IS - 3 SP - 1755 PB - Mineralogical Society of Great Britain and Ireland CY - London AN - OPUS4-32684 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen A1 - Yim, Y.-H. A1 - Lee, K.-S. A1 - Goenaga-Infante, H. A1 - Malinowskiy, D. A1 - Ren, T. A1 - Wang, J. A1 - Vocke Jr., R.D. A1 - Murphy, K. A1 - Nonose, N. A1 - Rienitz, O. A1 - Noordmann, J. A1 - Näykki, T. A1 - Sara-Aho, T. A1 - Ari, B. A1 - Cankur, O. T1 - Final report of the key comparison CCQM-K98: Pb isotope amount ratios in bronze KW - CCQM KW - Metrology KW - Isotope amount ratios KW - Lead PY - 2014 UR - http://www.bipm.org/utils/common/pdf/final_reports/QM/K98/CCQM-K98.pdf DO - https://doi.org/10.1088/0026-1394/51/1A/08017 SN - 0026-1394 SN - 1681-7575 VL - 51 IS - 1A Tech. Suppl. SP - 08017-1 EP - 08017-47 PB - Inst. of Physics Publ. CY - Bristol AN - OPUS4-31929 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Irrgeher, J. A1 - Vogl, Jochen A1 - Santner, J. A1 - Prohaska, T. ED - Prohaska, T. ED - Irrgeher, J. ED - Zitek, A. ED - Jakubowski, Norbert T1 - Measurement strategies N2 - Designing an appropriate measurement strategy for a particular analytical question is not always obvious, since a number of factors have to be considered, whereby some of them might be difficult to define. A set of key questions generally precede the experimental design in analytical measurements and help to choose the measurement strategy, which is fit for the intended use – in the particular case of the content of this book – either for quantification, elemental ratio or isotope ratio analyses, accordingly. PY - 2015 SN - 978-1-84973-392-2 SN - 978-1-84973-540-7 SN - 2044-253X N1 - Serientitel: New developments in mass spectrometry – Series title: New developments in mass spectrometry VL - 3 SP - Chapter 8, 126 EP - 151 CY - Cambridge, UK AN - OPUS4-32555 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Bürger, S. A1 - Vogl, Jochen A1 - Kloetzli, U. A1 - Nunes, L. A1 - Lavelle, M. ED - Prohaska, T. ED - Irrgeher, J. ED - Zitek, A. ED - Jakubowski, Norbert T1 - Thermal ionisation mass spectrometry N2 - Thermal ionisation, also known as surface ionisation, was one of the first ionisation techniques developed for mass spectrometry, having been invented as early as 1918. The ionization process, described by the empirically derived “fractionation laws”, is widely understood. Isotope ratio measurements can be achieved with high precision and accuracy. Due to this, thermal ionisation has paved the way for great scientific achievements including: the discovery of new isotopes, the determination of radioactive half-lives and atomic weights of the elements, the accurate determination of the age of the earth and investigations on human society in the past such as mobility and trade. TIMS is still regarded as ‘golden standard’ in isotope ratio measurements. Thus the method is a reference technique that remains at the forefront of isotopic analysis particularly in the fields of metrology. A concise overview is given here of the technical background of thermal ionisation as well as the numerous applications of this technique in earth sciences, industry, metrology, and nuclear forensics. PY - 2015 SN - 978-1-84973-392-2 SN - 978-1-84973-540-7 DO - https://doi.org/10.1039/9781849735407-00381 SN - 2044-253X N1 - Serientitel: New developments in mass spectrometry – Series title: New developments in mass spectrometry VL - 3 SP - Chapter 14, 381 EP - 438 CY - Cambridge, UK AN - OPUS4-32557 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Rosner, Martin A1 - Vogl, Jochen T1 - Three new offset Delta11B isotope reference materials for environmental boron isotope studies N2 - The isotopic composition of boron is a well established tool in various areas of Science and industry. Boron isotope compositions are typically reported as 5nB values which indicate the isotopic difference of a sample relative to the isotope reference material NIST SRM 951. A significant drawback of all of the available boron isotope reference materials is that none of them covers a natural boron isotope composition apart from NIST SRM 951. To fill this gap of required 5UB reference materials three new solution boric acid reference materials were produced, which cover 6096o of the natural boron isotope Variation (-20 to 40%oo B) of about 100%o. The new reference materials are certified for their B values and are commercially available through European Reference Materials® (http://wwrv.enn-cmi.org). The newly produced and certified boron isotope reference materials will allow straightforward method Validation and quality control of boron isotope data. T2 - International symposium on isotopes in hydrology, marine ecosystems and climate change studies CY - Monaco DA - 27.03.2011 KW - Boron KW - Boron isotope variations KW - Delta-scale KW - Stable isotopes KW - Isotope reference materials KW - Delta reference materials KW - Metrology in chemistry PY - 2011 SN - 978-92-0-135610-9 VL - 2 SP - 377 EP - 380 AN - OPUS4-31858 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-K98/P134 - Pb isotope amount ratios in bronze T2 - CCQM, IAWG Meeting CY - Tsukuba, Japan DA - 2014-10-14 PY - 2014 AN - OPUS4-31554 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-P149 - Purity determination of zinc to be used as primary standard for zinc determinationh T2 - CCQM, IAWG Meeting CY - Tsukuba, Japan DA - 2014-10-14 PY - 2014 AN - OPUS4-31556 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Vogl, Jochen A1 - Rosner, M. ED - Babbi, A. ED - Peltz, U. T1 - Bleiisotopenanalyse der römischen >Tabella Defixionis< N2 - Blei weist in der Natur die vier stabilen Isotope 204Pb, 206Pb, 207Pb und 208Pb auf, mit den entsprechenden Isotopenhäufigkeiten von 1,4%, 24,1 %, 22,1 % und 52,4 %686. Dabei sind 206Pb, 207Pb und 208Pb radiogene Isotope, welche als Endglieder der natürlichen Zerfallsreihen von 238U, 235U und 232Th entstanden sind. 204Pb ist ein sogenanntes primordiales Isotop, welches bereits vor Entstehung der Erde vorhanden war. Aufgrund dieser Prozesse weisen Gesteine, Mineralien und Erze eine charakteristische Bleiisotopenzusammensetzung auf, die von der Ausgangskonzentration an Blei, Thorium und Uran sowie von der seit der Gesteinsgenese vergangenen Zeit abhängt. Diese Eigenschaft bleibt auch während der Bleigewinnung aus dem Erz, meist Galenit, erhalten, auch wenn das Silber vorher durch Kupellation abgetrennt wurde687. Das in Silbererzen enthaltene Blei war ein willkommenes Nebenprodukt der Erzverhüttung und wurde zur Herstellung von Bleiobjekten verwendet. Artefakte, die aus dem so gewonnenen Blei gefertigt wurden, spiegeln daher die Bleiisotopenzusammensetzung der verwendeten Rohmaterialien wider. KW - Blei KW - Isotopenzusammensetzung KW - Fluchtafel KW - Herkunft PY - 2013 SN - 978-3-88467-207-5 SN - 0171-1474 N1 - Serientitel: Monographien des Römisch-Germanischen Zentralmuseums – Series title: Monographien des Römisch-Germanischen Zentralmuseums VL - 109 SP - 182 EP - 184 PB - Verlag des Römisch-Germanischen Zentralmuseums CY - Mainz AN - OPUS4-29842 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Vogl, Jochen A1 - Kipphardt, Heinrich A1 - del Rocío Arvizu Torres, M. A1 - Manzano, J.V.L. A1 - Rodrigues, J.M. A1 - de Sena, R.C. A1 - Yim, Y.-H. A1 - Heo, S.W. A1 - Zhou, T. A1 - Turk, G.C. A1 - Winchester, M. A1 - Yu, L. L. A1 - Miura, T. A1 - Methven, B. A1 - Sturgeon, R. A1 - Jährling, R. A1 - Rienitz, O. A1 - Tunc, M. A1 - Can, S.Z. T1 - Final report of the key comparison CCQM-K72: Purity of zinc with respect to six defined metallic analytes N2 - KEY COMPARISON High purity elements can serve as a realization of the SI unit amount of substance for the specific element. Solutions prepared from high purity metals by applying gravimetric preparation and the concept of molar mass are used as 'calibration' solutions in many fields of analytical chemistry and provide the metrological basis in elemental analysis. Since ideal purity does not exist for real materials, the actual purity of the high purity material must be known with a specified uncertainty. As required uncertainties around 10-4 relative on the purity statement are not accessible in almost all cases by a direct measurement of the element in itself, the indirect approach is followed, where all elements excepting the matrix element itself are measured and their sum is subtracted from the value for ideal purity, which is 1 kg/kg. It was the aim of this comparison to demonstrate the capability of national metrology institutes and designated institutes to determine the purity of pure elements. In order to limit the effort within this comparison, only six metallic impurities (Ag, Al, Cd, Cr, Ni, Tl) in the low mg/kg range are considered in a zinc matrix. It has to be underlined here that the task was to measure the purity of zinc based on the determination of six analytes. The task is not trace analysis of specific analytes in zinc. This subtle distinction defines different measurands. The sample, pure Zn, was cut in pieces of cubic geometry for wet chemical analysis or of pin geometry for GDMS analysis and was sent to the participants. The comparison was run under the auspices of the Inorganic analysis Working Group (IAWG) of the CCQM and was piloted by the BAM Federal Institute for Materials Research and Testing, Berlin, Germany. The majority of the participants applied ICP-MS techniques and only two participants used additionally atomic absorption spectrometry. GDMS was used only by one participant. The observed spreads for the measurement results reported by the participants were significantly lower than those of the preceding study CCQM-P107 and were well below the target uncertainty of 30% relative. As a consequence, comparability within the participating laboratories is demonstrated to be established. The individual measurement results, mean values and medians derived were in all cases very consistent with the reference values obtained by IDMS and so the accuracy of the measurement results for the participating laboratories is as well demonstrated to be established. Especially with the results of CCQM-P62 and CCQM-P107 in mind, the outcome of CCQM-K72 can be considered as a big step forward in the community. CCQM is aware of the difference between a characterization based on only six analytes and a complete characterization. Therefore, the pilot study CCQM-P149 has been initiated and already started, which focuses on the fit-for-purpose approaches for the purity determination of metals (here: zinc) to be used as primary standards in elemental analysis. Another follow-up in the form of a pilot study on non-metal impurities is mandatory, because non-metal impurities such as oxygen, nitrogen and sulfur often make up the largest contributions. Main text. To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA). KW - CCQM KW - Metrology KW - Purity PY - 2014 DO - https://doi.org/10.1088/0026-1394/51/1A/08008 SN - 0026-1394 SN - 1681-7575 VL - 51 IS - 1A (Tech.Suppl. 2014) SP - 08008, 1 EP - 40 PB - Inst. of Physics Publ. CY - Bristol AN - OPUS4-30772 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Platinium group elements (PGE) in automotive exhaust emissions T2 - EMRP-ENV02 PartEmission Final Workshop CY - Braunschweig, Germany DA - 2014-05-13 PY - 2014 AN - OPUS4-30774 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Certification of Pd and Pt single spikes and application to the quantification of Pd and Pt in automotive exhaust emissions T2 - European Geosciences Union General Assembly 2014 CY - Vienna, Austria DA - 2014-04-27 PY - 2014 AN - OPUS4-30764 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - Advances in Isotope Ratio Mass Spectrometry and Required Isotope Reference Materials T2 - 19th International Mass Spectrometry Conference CY - Kyoto, Japan DA - 2012-09-15 PY - 2012 AN - OPUS4-30766 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-K98/P134 - Pb isotope amount ratios in bronze T2 - CCQM IAWG Meeting CY - Istanbul, Turkey DA - 2012-10-09 PY - 2012 AN - OPUS4-30777 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-K98/P134 - Pb isotope amount ratios in bronze T2 - CCQM IAWG Meeting CY - Paris, France DA - 2013-04-15 PY - 2013 AN - OPUS4-30778 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - CCQM-K98/P134 - Pb isotope amount ratios in bronze T2 - CCQM IAWG Meeting CY - Paris, France DA - 2014-04-07 PY - 2014 AN - OPUS4-30527 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vogl, Jochen T1 - IDMS Training N2 - Based on its proven records especially in reference material certification, isotope dilution mass spectrometry (IDMS) is considered as one of the most powerful and most accurate methods for determining amounts of substance. Contrary to other calibration approaches, IDMS does not directly suffer from long-time changes or drifts in instrument sensitivity. Moreover, provided isotopic exchange between the sample and spike is ensured, losses of analyte do not affect the analytical result. Both advantages are based on the fact that IDMS only requires isotope ratio measurements and isotope ratios are largely unaffected by instrumental drift, setup or by matrix, unless an isobaric interference is present. The Consultative Committee for Amount of Substance (CCQM), the world's highest institution for metrology in chemistry, considers IDMS as the most important “Primary Method of Measurement” for amount determination. The total combined uncertainty, according to ISO and EURACHEM guidelines, can easily be calculated via the IDMS equations. Applying it correctly, IDMS has the potential to be a primary method of measurement yielding SI traceable values in the most direct way with combined uncertainties significantly smaller than obtainable by other methods. In general it can be stated that IDMS is the most important reference method for elemental and elemental species analysis, offering highest accuracy and precision or smallest measurement uncertainties, when properly applied. Thus IDMS represents by far the best suited reference method for RM characterisation. Due to its universal applicability IDMS offers sufficient potential to follow future needs in analytical chemistry as well as in the RM sector. This presentation will demonstrate the basic principle of IDMS and will show its Pros and Cons as well as its pitfalls. Possible sources of errors and bias are mentioned and correction models will be discussed. Notice will be given to metrological aspects such as traceability and uncertainty. Differences in the application of thermal ionization mass spectrometry and inductively coupled plasma mass spectrometry are discussed as well as differences between different types of mass spectrometers. This will be illustrated by practical examples from various fields. T2 - Workshop and practical training on isotope dilution mass spectrometry CY - Berlin, Germany DA - 22.02.2016 KW - Isotope dilution mass spectrometry KW - Primary method of measurement KW - Certification PY - 2016 AN - OPUS4-40029 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -