China 'GB/T 4702.11-1985
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4702.11-1985
Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content 金属铬化学分析方法 茜素紫分光光度法测定锡量
Issued Date:1985-04-15
Implemented Date:1986-01-01
Issued by:
The Standardization Administration of the People's Republic of China