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Chinese National Standard Category: Rare metal ore |
English Title: | Methods for chemical analysis of gold concentrates; The flame atomic absorption spectrophotometric methods for the determination of silver content |
Chinese Title: | 金精矿化学分析方法 原子吸收分光光度法测定银量 |
Standard No.: | GB/T 7739.2-1987 |
Category No.: | D43 |
Issued by: | NDRC |
Issued on: | 1987-05-12 |
Implemented on: | 1988-1-1 |
Status: | superseded |
Superseded by: | GB/T 7739.2-2007 Methods for chemical analysis of gold concentrates—Part 2:Determination of silver contents |
Superseded on: | 2007-11-1 |
Abolished on: | 2007-11-01 |
Superseding: | |
Word Count: | 2000 words |
Similar Standards: | GB/T 18114.4-2000 GB/T 18114.3-2000 YS/T 235-2016 YS/T 231-2015 YB/T 159.6-2015 YS/T 300-2015 YS/T 947-2013 YS/T 358.12-2012 GB/T 27682-2011 YS/T 358.4-2011 YS/T 254.4-2011 YS/T 358.3-2011 YS/T 254.2-2011 YS/T 358.10-2011 YS/T 254.3-2011 YS/T 254.1-2011 YS/T 358.1-2011 YS/T 358.5-2011 YS/T 358.7-2011 YS/T 262-2011 |
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