NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1508-2002
Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 1，10-phenanthroline spectrophotometric method 锰矿石 全铁含量的测定 重铬酸钾滴定法和邻菲啰啉分光光度法
Issued Date:2002-09-11
Implemented Date:2003-04-01
Issued by:
The Standardization Administration of the People's Republic of China
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