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| Chinese National Standard Category: Heavy metals and their alloys analysis method |
| English Title: | Methods for chemical analysis of cobalt sulfide concentrate - Part 4: Determination of silicon dioxide - Potassium silicofluoride capacity method |
| Chinese Title: | 硫化钴精矿化学分析方法 第4部分:二氧化硅量的测定 氟硅酸钾容量法 |
| Standard No.: | YS/T 349.4-2010 |
| Category No.: | H13 |
| Issued by: | State Economic and Trade Commission |
| Issued on: | 2010-11-22 |
| Implemented on: | 2011-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | YS/T 349-1994 |
| Word Count: | 3500 words |
| Similar Standards: | YS/T 1157.4-2016 GB 5121.9-1985 T/CIQA 8-2020 GB 5121.8-1985 GB 6520.8-1986 GB 5121.7-1985 GB 5121.3-1985 YS/T 483-2005 GB/T 5122.2-1985 GB 6520.11-1986 GB 5122.19-1985 T/CIQA 9-2020 GB 5122.3-1985 GB 6520.1-1986 GB 5122.14-1985 GB 5122.18-1985 GB/T 42513.4-2023 GB/T 42513.2-2023 GB/T 42513.5-2023 GB/T 3260.11-2023 |
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