China 'GB/T 4698.6-1996
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4698.6-1996
Sponge titanium,titanium and titanium alloys--Determination of boron content--Extraction-methylene blue spectrophotometric method 海绵钛、钛及钛合金化学分析方法 次甲基蓝萃取分光光度法测定硼量
Issued Date:1996-11-04
Implemented Date:1997-04-01
Issued by:
The Standardization Administration of the People's Republic of China