GB/T 6730.48-1986
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6730.48-1986
Methods for chemical analysis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content 铁矿石化学分析方法 二硫代二安替吡啉甲烷光度法测定铋量
Issued Date:1986-08-19
Implemented Date:1987-08-01
Issued by:
The Standardization Administration of the People's Republic of China