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| International Standard Category: Lead, zinc, tin and their alloys |
GB/T 4372.5-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of zinc oxide manganese content-Atomic absorption spectrometry method
直接法氧化锌化学分析方法 原子吸收光谱法测定锰量;
| Category No.: | 77.120.60 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2001-7-1 |
| Implemented Date: | 2001-1-2 | Abolished Date: | |
| Superseded Standard.: | GB/T 4372.5-2014 Methods for chemical analysis of zinc oxide produced by direct process―Part 5:Determination of manganese content―Flame atomic absorption spectrometry method |
Superseded Date: | 2015-8-1 |
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