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| International Standard Category: Other non-ferrous metals and their alloys |
GB/T 23368.1-2009 Methods for chemical analysis of ammonium metatungstate - Part 1: Determination of water insoluble content - Gravimetric analysis
偏钨酸铵化学分析方法 第1部分：水不溶物量的测定 称量法;
| Category No.: | 77.120.99 | Valid Status: | valid |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2090-3-19 |
| Implemented Date: | 2010-1-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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