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Standard Insuued on: 2008-06

GB/T 5121.15-2008    Methods for chemical analysis of copper and copper alloys—Part 15:Determination of cobalt content
铜及铜合金化学分析方法 第15部分:钴含量的测定
Category No.:GB Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2008-06-17
Implemented Date:2008-12-1 Abolished Date:
Superseded Standard.:GB/T 13293.7-1991 Higher purity copper cathode. Determination of iron, cobalt and lead contents. Zeeman effect electrothermal atomic absorption spectrometric method
Superseded Date:1992-10-1
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