+++4 статьи ScienceDirect

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1) Quantifying the platinum group elements (PGEs) and gold in geological samples using cation exchange pretreatment and ultrasonic nebulization inductively coupled plasma-mass spectrometry (USN-ICP-MS)
James C. Ely, Clive R. Neal, James A. O'Neill Jr., Jinesh C. Jain
Chemical Geology, Volume 157, Issues 3-4, Pages 219-234

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http://dx.doi.org/10.1016/S0009-2541(98)00204-6

2) Determination of the platinum-group elements in geological materials by ICP-MSusing microwave digestion, alkali fusion and cation-exchange chromatography
Ian Jarvisa, Marina M. Totland, Kym E. Jarvis
Chemical Geology, Volume 143, Issues 1-2, Pages 27-42

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http://dx.doi.org/10.1016/S0009-2541(97)00098-3

3) Quantitative determination of gold and the platinum-group elements in geological samples using improved NiS fire-assay and tellurium coprecipitation with inductively coupled plasma-mass spectrometry (ICP-MS)
Kiwamu Oguri, Gen Shimoda, and Yoshiyuki Tatsumi
Chemical Geology, Volume 157, Issues 3-4, Pages 189-197

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http://dx.doi.org/10.1016/S0009-2541(98)00205-8

4) Recent advances in the determination of the platinum group elements and gold
R. R. Barefoot, J. C. Van Loon
Talanta, Volume 49, Issue 1, Pages 1-14

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http://dx.doi.org/10.1016/S0039-9140(98)00347-6

Заранее большое спасибо!

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