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International Standard Category: Cadmium, cobalt and their alloys

YS/T 520.1-2006    Methods for chemical analysis of gallium The 2 9-dimethy-4 7-diphenyl-1 10-phenanthroline photometric method for the determination of copper content
镓化学分析方法 2 9-二甲基-4 7-二苯基-1 10-二氮杂菲光度法测定铜量 ;
Category No.:77.120.70 Valid Status:superseded
Issued Organization: Issued Date:2006-07-27
Implemented Date:2006-10-11 Abolished Date:
Superseded Standard.:YS/T 520.1-2007 Chemical analysis of gallium Part 1 Determination of copper content The 2 9-dimethyl-4 7-diphenyl-1 10-phenanthroline spectrophotometric method
Superseded Date:2008-5-1
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