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DL 425.4-1991

DL 425.4-1991_English: PDF (DL425.4-1991)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)Related StandardStatusGoogle Book
DL 425.4-1991EnglishRFQ ASK 3 days Measurement of iron in industrial sodium hydroxide - Phenanthroline (spectrophotometric method) DL 425.4-1991 Obsolete DL 425.4-1991

BASIC DATA
Standard ID DL 425.4-1991 (DL425.4-1991)
Description (Translated English) Measurement of iron in industrial sodium hydroxide - Phenanthroline (spectrophotometric method)
Sector / Industry Electricity & Power Industry Standard
Classification of Chinese Standard G11
Date of Issue 1991/10/4
Date of Implementation 1992/4/1