China 'GB/T 14849.9-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14849.9-2015
Methods for chemical analysis of silicon metal—Part 9: Determination of titanium content —Diantipyryl methane spectrophotometry 工业硅化学分析方法 第9部分:钛含量的测定 二安替吡啉甲烷分光光度法
Issued Date:2015-09-11
Implemented Date:2016-06-01
Issued by:
The Standardization Administration of the People's Republic of China