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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7739.3-2019 |
Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content 金精矿化学分析方法 第3部分：砷量的测定 |
China National Standards concerntrates—Part |
 English PDF |
| GB/T 7739.1-2019 |
Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents 金精矿化学分析方法 第1部分：金量和银量的测定 |
China National Standards concerntrates—Part |
English PDF |
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