GB/T 12374-1990

Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column-spectrophotometry of N-(1-naphthyl)ethylene diamine hydrochloride

NORM herausgegeben am 22.3.1990

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The information about the standard:

Designation standards: GB/T 12374-1990
Publication date standards: 22.3.1990
Country: Chinese technical standard
Kategorie: Technische Normen GB