Noble metals in black shales of the Sukhoi Log gold deposit (East Siberia): evidence from scintillation arc atomic-emission spectrometry |
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| Authors: | IE Vasil’eva EV Shabanova EM Goryacheva OT Sotskaya VA Labusov OA Nekludov AA Dzyuba |
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| Institution: | 3. Institute of Automatics and Electrometry, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 1, Novosibirsk, 630090, Russia;4. OOO VMK-Optoelectronics, pr. Akademika Koptyuga 1, office 100, Novosibirsk, POB 376, 630090, Russia;5. Novosibirsk State Technological University, pr. K. Marksa 20/1, Novosibirsk, 630073, Russia |
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| Abstract: | Scintillation arc atomic-emission spectrometry (SAES) is used to study noble metals (NM), including Au, Ag, Pt, Pd, Ir, Os, Rh, and Ru, in black shales of the Sukhoi Log gold deposit (Irkutsk Region, Russia), with a focus on NM total contents in samples and on the compositions and sizes of NM-bearing particles. The estimated sizes of gold particles and their distribution are confirmed by results of scanning electron microscopy combined with energy dispersive X-ray microanalysis (SEM-EDX). The SAES results are in satisfactory agreement with earlier SEM-EDX data on NM species but reveal a much greater number and diversity of element associations. |
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| Keywords: | noble metals certified reference materials of black shales scintillation arc atomic-emission spectrometry |
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