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| International Standard Category: Lead, zinc, tin and their alloys |
T/CIQA 9-2020 Determination of high content of silver in lead concentrates―Lead retention fire assay―Potentiometric Method
铅精矿中高含量银的测定 留铅火试 电位滴定法 ;
| Category No.: | 77.120.60 | Valid Status: | valid |
| Issued Organization: | CIQA | Issued Date: | 2020-10-23 |
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | Superseded Date: |
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