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

YS/T 1149.5-2016    Methods for chemical analysis of zinc concentrate roasting—Part 5:Determination of iron content—Na2EDTA titrimetric method
锌精矿焙砂化学分析方法 第5部分:铁量的测定 Na2EDTA滴定法 ;
Category No.:77.120.60 Valid Status:valid
Issued Organization:Ministry of Industry and Information Technology Issued Date:2016-07-11
Implemented Date:2017-1-1 Abolished Date:
Superseded Standard.: Superseded Date:
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