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International Standard Category: Other non-ferrous metals and their alloys

YS/T 226.3-2009    Methods for chemical analysis of selenium Part 3:Determination of aluminum content-Chrome azurol S-Cetyl trimethyl ammonium bromide absorption photometric method
硒化学分析方法 第3部分:铝量的测定 铬天青S-溴代十六烷基吡啶分光光度法 ;
Category No.:77.120.99 Valid Status:valid
Issued Organization:Ministry of Industry and Information Technology Issued Date:2009-12-04
Implemented Date:2010-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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