| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YS/T 521.2-2019 | English | 349 |
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Methods for chemical analysis of blister copper. Part 2: Determination of gold and silver contents. Dry and wet fire assay method and direct fire assay method
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YS/T 521.2-2019
| Valid |
YS/T 521.2-2019
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