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| International Standard Category: Other non-ferrous metals and their alloys |
GB/T 26019-2010 Methods for chemical analysis of high impurity tungsten mineral—Determination of tungsten trioxide content—Twice separation and igniting gravimetric method
高杂质钨矿化学分析方法 三氧化钨量的测定 二次分离灼烧重量法;
| Category No.: | 77.120.99 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 2011-1-10 |
| Implemented Date: | 2011-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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