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ELEVEN GOLD GEOCHEMICAL REFERENCE SAMPLES (GAU 8–18)
Author(s) -
YAN Mingcai,
WANG Chunshu,
CAO Qunxian,
GU Tiexin,
CHI Qinghua
Publication year - 1995
Publication title -
geostandards newsletter
Language(s) - English
Resource type - Journals
eISSN - 1751-908X
pISSN - 0150-5505
DOI - 10.1111/j.1751-908x.1995.tb00157.x
Subject(s) - geology , certification , china , gold standard (test) , gold ore , geochemistry , mineralogy , archaeology , geography , mathematics , statistics , political science , law
Eleven gold geochemical reference samples, GAu 8–18, have been prepared by the Institute of Geophysical and Geochemical Exploration, People's Republic of China. The concentration range of gold in these samples is from 0.5 ng/g to 10 μg/g. Fifteen Chinese Institutes, experienced in gold analysis of geological samples, have participated in the certification procedure using seven reliable analytical methods.