China 'GB/T 4698.22-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4698.22-2017
Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22:Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第22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:2018-07-01
Issued by:
The Standardization Administration of the People's Republic of China