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International Standard Category: Lead, zinc, tin and their alloys

YS/T 461.4-2013    Methods for Chemical Analysis of Lead and Zinc Bulk Concentrates - Part 4: The Determination of Arsenic Content - The Iodimetricic Method
混合铅锌精矿化学分析方法 第4部分:砷量的测定 碘滴定法;
Category No.:77.120.60 Valid Status:valid
Issued Organization:MIIT Issued Date:2013-10-17
Implemented Date:2014-3-1 Abolished Date:
Superseded Standard.: Superseded Date:
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