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

NORMA vydána dne 22.3.1990

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The information about the standard:

Designation standards: GB/T 12374-1990
Note: NEPLATNÁ
Publication date standards: 22.3.1990
Country: Chinese technical standard
Kategorie: Technické normy GB