GB/T 20899.8-2022金矿石化学分析方法第8部分:硫量的测定国家标准
英文:Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content GB/T 20899.8-2022介绍: 国家标准《金矿石化学分析方...
英文:Methods for chemical analysis of gold ores—Part 8: Determination of sulfur content GB/T 20899.8-2022介绍: 国家标准《金矿石化学分析方...
英文:Methods for chemical analysis of gold concentrates—Part 7: Determination of iron content GB/T 7739.7-2022介绍: 国家标准《金精矿...
英文:Methods for chemical analysis of gold ores—Part 7: Determination of iron content GB/T 20899.7-2022介绍: 国家标准《金矿石化学分析方法 ...
英文:Methods for chemical analysis of gold concentrates—Part 8: Determination of sulfur content GB/T 7739.8-2022介绍: 国家标准《金...
英文:Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectromet...
英文:Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content GB/T 20899.3-2019介绍: 国家标准《金矿石化学分析方...
英文:Methods for chemical analysis of gold ores—Part 1:Determination of gold content GB/T 20899.1-2019介绍: 国家标准《金矿石化学分析方法 第...
英文:Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spe...
英文:Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content GB/T 7739.3-2019介绍: 国家标准《...
英文:Methods for chemical analysis of gold concerntrates—Part 1:Determination of gold and silver contents GB/T 7739.1-2019...