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Chinese National Standard Category: Precious metal ore |
English Title: | Methodds for chemical analysis of gold concentrates—Part 4:Determination of copper contents |
Chinese Title: | 金精矿化学分析方法 第4部分:铜量的测定 |
Standard No.: | GB/T 7739.4-2007 |
Category No.: | D46 |
Issued by: | AQSIQ, SAC |
Issued on: | 2007-4-27 |
Implemented on: | 2007-11-1 |
Status: | superseded |
Superseded by: | GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content |
Superseded on: | 2021-12-1 |
Abolished on: | |
Superseding: | |
Word Count: | 4000 words |
Similar Standards: | T/CGA 39-2023 GB/T 20899.15-2023 GB/T 20899.8-2022 GB/T 7739.8-2022 GB/T 20899.7-2022 GB/T 7739.7-2022 GB/T 14352.24-2022 YS/T 3044-2022 YS/T 3045-2022 GB/T 20899.5-2021 GB/T 20899.4-2021 GB/T 20899.6-2021 GB/T 7739.4-2021 GB/T 7739.1-2019 GB/T 20899.1-2019 GB/T 20899.2-2019 GB/T 20899.3-2019 GB/T 7739.3-2019 GB/T 7739.2-2019 GB/T 7739.14-2019 |
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