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DL 425.4-1991

Chinese Standard: 'DL 425.4-1991'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
DL 425.4-1991EnglishRFQ ASK Days<=3 Measurement of iron in industrial sodium hydroxide - Phenanthroline (spectrophotometric method) 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

Related standard: DL/T 425-2015
Related PDF sample: GB/T 337.2-2014    GB 209-2006