China 'GB/T 8156.7-1987
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 8156.7-1987
Methods for chemical analysis of aluminium fluoride for industrial use--The 1,10-phenanthroline photometric method for the determination of iron content 工业用氟化铝化学分析方法 邻二氮杂菲光度法测定铁量
Issued Date:1987-08-10
Implemented Date:1988-06-01
Issued by:
The Standardization Administration of the People's Republic of China