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

GB/T 4372.1-2001    Methods for chemical analysis of zinc oxide produced by direct process-Determination of zinc oxide content-Na2 EDTA titration method
直接法氧化锌化学分析方法 Na2 EDTA滴定法测定氧化锌量;
Category No.:77.120.60 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:2001-7-1
Implemented Date:2001-12-1 Abolished Date:
Superseded Standard.:GB/T 4372.1-2014 Methods for chemical analysis of zincoxide produced by direct process―Part 1:Determination of zinc oxide content―Na2EDTA titration method
Superseded Date:2015-8-1
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