GB/T 12374-1990 English PDF

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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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12374-1990	209	Add to Cart	3 days	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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Basic data

Standard ID: GB/T 12374-1990 (GB/T12374-1990)
Description (Translated English): Standard method for examination of nitrate in air of residential areas. Reduction of the cadmium column-spectrophotometry of N-(1-naphthyl)ethylene diamine hydrochloride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C51
Classification of International Standard: 13.040.20
Word Count Estimation: 6,659
Date of Issue: 3/22/1990
Date of Implementation: 3/1/1991
Issuing agency(ies): State Bureau of Technical Supervision
Summary: This standard specifies the use of cadmium reduction column - hydrochloric naphthylethylenediamine spectrophotometry mass concentration of nitrate in air of residential areas. This standard applies to the determination of nitrate concentrations in residential areas of the atmosphere.

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