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Comprehensive Analysis of Precious Metals in some Geological Standards by Flameless A.A. Spectroscopy

 

作者: G.P. Sighinolfi,   C. Gorgoni,   A.H. Mohamed,  

 

期刊: Geostandards Newsletter  （WILEY Available online 1984）
卷期: Volume 8, issue 1  

页码: 25-29

 

ISSN:0150-5505

 

年代: 1984

 

DOI:10.1111/j.1751-908X.1984.tb00406.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

Precious metals (Ag, Au, Pt, Pd, Rh) were determined by flameless absorption atomic spectrornetry. Aqua regia sample decomposition followed by Te coprecipitation was employed to preconcentrate the precious metals in geological materials. With 5 g sample take‐up, the limits of determination were 1‐2 ppb for Au, Pd and Rh, 5 ppb for Ag and 10‐20 ppb for Pt. These elements were determined in some geochemical stan

 

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