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

GB/T 13747.25-2017    Methods for chemical analysis of zirconium and zirconium alloys- Part 25:Determination of niobium content- 2-( 5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry
锆及锆合金化学分析方法 第25部分:铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法 ;
Category No.:77.120.99 Valid Status:valid
Issued Organization:AQSIQ AND SAC Issued Date:2017-09-29
Implemented Date:2018-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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