TY - JOUR A1 - Holzweber, Markus A1 - Unger, Wolfgang A1 - Hodoroaba, Vasile-Dan T1 - Ionic liquids as a reference material candidate for the quick performance check of energy dispersive X-ray spectrometers for the low energy range below 1 keV T2 - Analytical Chemistry N2 - Ionic liquids (ILs) are proposed as simple and efficient test materials to evaluate the performance of energy dispersive X-ray spectrometers (EDS) in the low energy range below 1 keV. By only one measurement, C Kα, N Kα, O Kα, and F Kα X-ray lines can be excited. Additionally, the S Kα line at 2.3 keV and, particularly, the S L series at 149 eV complete the picture with X-ray lines offered by the selected ILs. The well-known (certifiable) elemental composition of the ILs selected in the present study can be used to check the accuracy of results produced with the available EDS quantification routines in the low energy range, simultaneously, for several low atomic number elements. A comparison with other reference materials in use for testing the performance of EDS in the low energy range is included. PB - ACS Publications CY - 1155 Sixteenth Street N.W., Washington, DC 20036 KW - Ionic liquids KW - EDX KW - CRM KW - Reference material KW - Low energy KW - X-rays PY - 2016 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/36912 AN - OPUS4-36912 UR - http://pubs.acs.org/doi/abs/10.1021/acs.analchem.6b01444 SN - 0003-2700 SN - 1520-6882 VL - 88 IS - 14 SP - 6967 EP - 6970 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany