GB/T 8654.6-1988 Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 8654.6-1988
Scope
This standard applies to the determination of the amount of selenium in electrolytic manganese metal, the determination range: 0.03% ~ 0.31%.
GB/T 8654.6-1988 history
1988GB/T 8654.6-1988 Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content