Abstract—
A complex of methods developed by the authors for studying the trace-element composition of black shales involves various options for the preparation of samples for their analysis for individual groups of elements, including PGE and gold, by atomic spectroscopy methods (ICP-AES, ICP-MS, and ETAAS). Data were obtained on contents of 54 elements in the SLg-1 and SChS-1 certified reference materials (CRMs) of black shales. The metrologically characterized data make it possible to use these CRMs for a detailed study of the composition of rocks and ores containing carbonaceous matter. The solution of this current problem is particularly important in the absence of natural multi-element CRMs in which elevated and clarke contents of gold, silver, and all PGEs are simultaneously certified.
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ACKNOWLEDGMENTS
The authors thank the scientific editor of the journal V.P. Kolotov and reviewer I.E. Vasil’eva for discussing the manuscript and valuable recommendations.
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Tyutyunnik, O.A., Nabiullina, S.N. & Kubrakova, I.V. Determination of the Trace-Element Composition of Black Shale Rocks and Ores. Certified Reference Materials SLg-1 and SChS-1. Geochem. Int. 61, 989–999 (2023). https://doi.org/10.1134/S0016702923090100
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DOI: https://doi.org/10.1134/S0016702923090100