China 'GB/T 6730.51-1986
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6730.51-1986
Methods for chemical analysis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate 铁矿石化学分析方法 烧碱石棉吸收重量法测定碳酸盐中碳量
Issued Date:1986-08-19
Implemented Date:1987-08-01
Issued by:
The Standardization Administration of the People's Republic of China