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GOLD IN TWENTY‐SIX JAPANESE GEOCHEMICAL REFERENCE SAMPLES

 

作者: Shigeru TERASHIMA,   Shiro ITOH,   Atsushi ANDO,  

 

期刊: Geostandards Newsletter  （WILEY Available online 1992）
卷期: Volume 16, issue 1  

页码: 9-10

 

ISSN:0150-5505

 

年代: 1992

 

DOI:10.1111/j.1751-908X.1992.tb00480.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

Gold has been determined in 26 geochemical reference samples with graphite furnace AAS after digesting the samples with aqua regia and hydrofluoric acid and extracting gold by methyl isobutyl ketone (MIBK). This method yields clearly higher values than those by the partial attack using aqua regia digestion.

 

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