GB/T 6730.9-2006
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 6730.9-2006
Iron ores - Determination of silicon contents - The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
Issued Date:2006-11-01
Implemented Date:2007-02-01
Issued by:
The Standardization Administration of the People's Republic of China