Jing Wang, Ben-Xun Su, Bing-Yu Gao, Wen-Jun Li, Meng-Meng Cui, Xia Liu, Yang Luo, Qi-Qi Pan, Li-Hui Jia, Li Su, Kai-Yun Chen
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Four Natural Chromite Reference Materials for the Determination of the First-Row Transition Elements and Gallium by LA-ICP-MS
Four natural chromite samples (LBS13-04, LBS13-06 and LBS13-13) from the Luobusa ophiolite (China) and 16SW2-6 from the Stillwater Complex (USA) were developed as reference materials for in situ element microanalysis. Approximately 8 g of chromite fragments with grain sizes of 0.5–1.5 mm from each chromite sample were separated under a binocular microscope and analysed by EPMA, XRF, LA-ICP-MS and solution nebulisation ICP-MS techniques for major and trace elements at six laboratories. The results show that the four chromite samples are homogeneous with respect to MgO, Al2O3, Cr2O3, FeO, Sc, Ti, V, Mn, Co, Ni, Zn and Ga. These samples are thus suitable to be used as reference materials for in situ microanalysis.
期刊介绍：
Geostandards & Geoanalytical Research is an international journal dedicated to advancing the science of reference materials, analytical techniques and data quality relevant to the chemical analysis of geological and environmental samples. Papers are accepted for publication following peer review.
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