China 'GB/T 223.3-1988
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 223.3-1988
Methods forchemical analysis of iron,steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content 钢铁及合金化学分析方法 二安替比林甲烷磷钼酸重量法测定磷量
Issued Date:1988-02-05
Implemented Date:1989-02-01
Issued by:
The Standardization Administration of the People's Republic of China