Preparation of Trace Gold and Gold Ore Reference Materials
BACKGROUND From 1986 to 2007, different grades of trace gold certified reference materials (background grade, anomaly grade, medium grade and high grade) and mineral gold certified reference materials (mineralization grade, cutoff grade and concentrate grade) had been developed by IGGE and used for...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Science Press, PR China
2021-09-01
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Series: | Yankuang ceshi |
Subjects: | |
Online Access: | http://www.ykcs.ac.cn/en/article/doi/10.15898/j.cnki.11-2131/td.202106110005 |