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International Standard Category: Copper and copper alloys

YS/T 521.2-2009    Methods for chemical analysis of blister copper - Part 2: Determination of gold and silver contents - Fire assay method
粗铜化学分析方法 第2部分:金和银量的测定 火试金法 ;
Category No.:77.120.30 Valid Status:superseded
Issued Organization:MIIT Issued Date:2009-12-4
Implemented Date:2010-6-1 Abolished Date:
Superseded Standard.:YS/T 521.2-2019
Superseded Date:2020-1-1
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