Standard Number: YS/T 445.7-2019(YS/T445.7-2019)
Chinese:银精矿化学分析方法 第7部分：铅含量的测定 Na2EDTA滴定法
English:Methods of chemical analysis of silver concentrates Part 7: Determination of lead content Na2EDTA titration method
Effective Date:2020-01-01
Standard Applicability:This part applies to the determination of lead in silver concentrate. Determination range: 5.00% to 35.00%. Method 1 is not applicable to the determination of lead in silver concentrates with barium content greater than 1%; Method 2 is not applicable to the determination of lead in silver concentrates with bismuth content greater than 1%.
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