GB/T 13747.25-2017
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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
Issued Date:2017-09-29
Implemented Date:2018-04-01
Issued by:
The Standardization Administration of the People's Republic of China