GB/T 223.51-1987

Methods for chemical analysis of ironsteel and alloy--The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content

NORMA vydána dne 12.5.1987

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The information about the standard:

Designation standards: GB/T 223.51-1987
Publication date standards: 12.5.1987
Country: Chinese technical standard
Kategorie: Technické normy GB