China 'GB/T 3653.6-1988
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3653.6-1988
Methods for chemical analysisof ferroboron--The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content 硼铁化学分析方法 锑磷钼蓝光度法测定磷量
Issued Date:1988-09-20
Implemented Date:1990-01-01
Issued by:
The Standardization Administration of the People's Republic of China