China 'GB/T 42630-2023
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 42630-2023
Method for chemical phase analysis of copper-nickel sulfide ores—Determination of nickel and cobalt content in six mineral phases 铜镍硫化物矿石化学物相分析方法 6 种矿物相中镍和钴含量的测定
Issued Date:2023/5/23
Implemented Date:2023/12/1
Issued by:
The Standardization Administration of the People's Republic of China
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