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GB 12374-1990

GB 12374-1990, Total:2 items.

In the international standard classification, GB 12374-1990 involves: Air quality.

中华人民共和国国家卫生和计划生育委员会, GB 12374-1990

• GB 12374-1990 Standard method for the examination of nitrate in the atmosphere of residential areas

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, GB 12374-1990

• 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

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