China 'GB/T 4324.19-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4324.19-2012
Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry 钨化学分析方法 第19部分:钛量的测定 二安替比林甲烷分光光度法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China