GB/T 6730.49-1986
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 6730.49-1986
Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content 铁矿石化学分析方法 原子吸收分光光度法测定钠和钾量
Issued Date:1986-08-19
Implemented Date:1987-08-01
Issued by:
The Standardization Administration of the People's Republic of China