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International Standard Category: Copper and copper alloys

GB/T 7739.3-1987    Methods for chemical analysis of gold concentrates; The silver diethyldithiocarbamate spectrophotometric method for the determination of arsenic content
金精矿化学分析方法 二乙基二硫代氨基甲酸银分光光度法测定砷量 ;
Category No.:77.120.30 Valid Status:superseded
Issued Organization:NDRC Issued Date:1987-05-12
Implemented Date:1988-1-1 Abolished Date:
Superseded Standard.:GB/T 7739.3-2007 Methods for chemical analysis of gold concentrates—Part 3:Determination of arsenic contents
Superseded Date:2007-11-1
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