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 - Rübner, Katrin A1 - Schnell, A. A1 - Peplinski, Burkhard A1 - Zimathies, Annett A1 - Hempel, S. ED - Ludwig, H.-M. T1 - Mikrostrukturelle und mineralogische Eigenschaften leichter Gesteinskörnungen aus Mauerwerkbruch N2 - Poröse RC-Leichtgranulate mit Rohdichten zwischen 600 kg/m³ und 1400 kg/m³ können nach einem mehrstufigen mechanischen Prozess durch thermische Erhärtung bei 1180 °C aus ziegelhaitigern Mauerwerkbruch hergestellt werden. Diese Granulate erfüllen die Anforderungen an leichte Gesteinskörnungen nach DIN EN 13055 und es lassen sich damit Leichtbetone nach DIN EN 206-1/DIN 1045-2 herstellen. Ihre Festigkeits- und Dauerhaftigkeitseigenschatten sind mit denen herkömmlicher Leichtbetone mit Blähtonkörnungen sehr gut vergleichbar. Das ist das Fazit aus dem in den letzten Jahren durchgeführten Verbundforschungsvorhaben "Aufbaukörnungen". Um jedoch die Granulatentstehung bzw. den Vorgang der Porosierung besser verstehen, den Herstellungsprozess optimieren und die Eigenschaften der Granulate maßschneidern zu können, wurden zusätzlich zu den makroskopischen Charakteristika, wie beispielsweise Porosität und Wasseraufnahme, die chemisch-mineralogischen und mikrostrukturellen Eigenschaften der Leichtgranulate untersucht. Dazu dienten Analysen mittels ICP-Emissionsspektrometrie, Röntgenpulverdiffraktometrie, Quecksilberporosimetrie und mikroskopischen Verfahren. Im Beitrag wird über die Ergebnisse der Gefüge- und Porenstrukturuntersuchungen an Leichtgranulaten im Vergleich zu herkömmlichem Blähton berichtet. T2 - 19. Ibausil - Internationale Baustofftagung CY - Weimar, Germany DA - 16.09.2015 KW - Leichte Gesteinskörnungen KW - Mauerwerkbruch KW - Mikrostruktur KW - Porenstruktur PY - 2015 SN - 978-3-00-050225-5 VL - 2 IS - P3.14 SP - 2-1329 EP - 2-1336 AN - OPUS4-34873 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Häusler, Ines A1 - Dörfel, Ilona A1 - Peplinski, Burkhard A1 - Dietrich, Paul A1 - Unger, Wolfgang A1 - Österle, Werner T1 - Comprehensive characterization of ball-milled powders simulating a tribofilm system N2 - A model system was used to simulate the properties of tribofilms which form during automotive braking. The model system was prepared by ball milling of a blend of 70 vol.% iron oxides, 15 vol.% molybdenum disulfide and 15 vol.% graphite. The resulting mixture was characterized by X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and various transmission electron microscopic (TEM) methods, including energy dispersive X-ray spectroscopy (EDXS), high resolution investigations (HRTEM) with corresponding simulation of the HRTEM images, diffraction methods such as scanning nano-beam electron diffraction (SNBED) and selected area electron diffraction (SAED). It could be shown that the ball milling caused a reduction of the grain size of the initial components to the nanometer range. Sometimes even amorphization or partial break-down of the crystal structure was observed for MoS2 and graphite. Moreover, chemical reactions lead to a formation of surface coverings of the nanoparticles by amorphous material, molybdenum oxides, and iron sulfates as derived from XPS. KW - Tribofilm model system KW - Ball milling KW - X-ray powder diffraction KW - Transmission electron microscopy PY - 2016 DO - https://doi.org/10.1016/j.matchar.2015.11.024 SN - 1044-5803 SN - 1873-4189 VL - 111 SP - 183 EP - 192 PB - Elsevier CY - New York, NY AN - OPUS4-35051 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Simon, Franz-Georg A1 - Biermann, Vera A1 - Peplinski, Burkhard T1 - Uranium removal from groundwater using hydroxyapatite N2 - The present work shows that U can be effectively removed from groundwater using permeable reactive barriers with hydroxyapatite (HAP) as reactive material. The main factor influencing the removal processes is the composition of the groundwater, namely the concentration of Ca and carbonate. Sorption of U onto the HAP surface seems to be the dominant removal process with the possibility of remobilisation. Newly formed U-phosphate minerals were detected by ESEM/EDX and XRD in samples with high U content indicating either a dissolution-precipitation mechanism or sorption onto the apatite surface followed by alteration of the structure. The formed U-phosphate minerals are stable under common groundwater conditions and can be remobilised only at high pH-values and high carbonate concentrations. KW - Uranium KW - Hydroxyapatite KW - Groundwater remediation KW - XRD PY - 2008 DO - https://doi.org/10.1016/j.apgeochem.2008.04.025 SN - 0883-2927 SN - 1872-9134 VL - 23 IS - 8 SP - 2137 EP - 2145 PB - Elsevier Science CY - Amsterdam AN - OPUS4-17798 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Peplinski, Burkhard T1 - Structural characterization of a coarse-grained transparent silicon carbide powder by a combination of powder diffraction techniques T2 - 11. European Powder Diffraction Conference (EPDIC-11) CY - Warsaw, Poland DA - 2008-09-19 PY - 2008 AN - OPUS4-17953 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Peplinski, Burkhard A1 - Fitch, A.N. A1 - Evans, A. A1 - Ibberson, R.M. A1 - Többens, D.M. A1 - Cranswick, L.M.D. A1 - Dörfel, Ilona A1 - Emmerling, Franziska A1 - Matschat, Ralf T1 - Structural characterization of a coarse-grained transparent silicon carbide powder by a combination of powder diffraction techniques N2 - Diffraction of hard synchrotron radiation as well as constant-wavelength and time-of-flight neutron diffraction were used for the structural characterization of a silicon carbide powder having extremely low levels of chemical impurities, high perfection of the crystalline lattice and a grain size of up to 150 µm. The presence of three polytypes was ascertained and the ratios of their mass fractions were determined to be w15R : w6H = 0.002,3(8) and w4H : w6H = 0.000,6(2). KW - Silicon carbide KW - Polytypes KW - Phase quantification KW - Reference material PY - 2009 DO - https://doi.org/10.1524/zksu.2009.0009 SN - 0930-486X VL - 30 EPDIC 2008 SP - 61 EP - 66 PB - Oldenbourg CY - München AN - OPUS4-20561 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Peplinski, Burkhard T1 - Estimates of the uncertainty of lattice parameters refined from neutron powder diffraction data T2 - 9th European Powder Diffraction Conference (EPDIC-9) CY - Prague, Czech Republic DA - 2004-09-02 PY - 2004 AN - OPUS4-4480 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Peplinski, Burkhard T1 - X-ray powder diffraction investigation of the metastable phase Sr2Ti5O12 occuring in high-tech glass ceramics T2 - 4th European Powder Diffraction Conference (EPDIC-4) CY - Chester, England DA - 1995-07-10 PY - 1995 AN - OPUS4-6547 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Kley, Gerd A1 - Köcher, Peter A1 - Brenneis, Rudolf A1 - Peplinski, Burkhard T1 - Möglichkeiten der Nutzbarmachung von Phosphat aus Klärschlammaschen durch thermochemische Behandlung - Ergebnisse experimenteller Untersuchungen T2 - VDI-Seminar 43-36-25, Klärschlamm / Tiermehl / Altholz / Biogene Abfälle CY - München, Deutschland DA - 2004-02-12 KW - Klärschlammaschen KW - Verwertung KW - Schadstoffabtrennung KW - Schwermetalle KW - Thermochemische Behandlung KW - Drehrohrofen KW - Phosphat-Düngemittel PY - 2004 SP - 1 EP - 22 PB - VDI-Verl. CY - Düsseldorf AN - OPUS4-3564 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Peplinski, Burkhard A1 - Kleeberg, R. A1 - Bergmann, J. A1 - Wenzel, J. ED - Andersson, Y. ED - Mittemeijer, E. ED - Welzel, U. T1 - Quantitative phase analysis using the Rietveld method - Estimates of accuracy and possible problems based on two interlaboratory comparisons T2 - 8th European Powder Diffraction Conference CY - Uppsala, Sweden DA - 2002-05-23 KW - Interlaboratory Comparison KW - Quantitative Phase Analysis QPA KW - Reference Materials KW - Refinement Strategy KW - Rietveld Analysis KW - Round Robin KW - Silicon Nitride PY - 2004 SN - 0-87849-935-0 SN - 0255-5476 N1 - Serientitel: Materials science forum – Series title: Materials science forum IS - 443-444 SP - 45 EP - 50 PB - Trans Tech Publ. CY - Uetikon-Zuerich AN - OPUS4-3532 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -