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| International Standard Category: Copper and copper alloys |
GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys - Part 9: Determination of iron content
铜及铜合金化学分析方法 第9部分：铁含量的测定;
| Category No.: | 77.120.30 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2008-6-17 |
| 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| Superseded Standard.: | GB/T 13293.7-1991 Higher purity copper cathode.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Superseded Date: | 1992-10-1 |
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