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

The information about the standard:

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