China Air GB Standards Search Result

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	GB/T 12377-1990 Analytical method of microquantity uranium in Air by laser-fluoremetry - 英文版
	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 diaminehydrochloride - 英文版
	GB/T 12373-1990 Standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in Air of residential areas - 英文版
	GB/T 12372-1990 Standard method for examination of nitrogen dioxide in Air of residential areas--Modified Saltzman method - 英文版
	GB/T 12183-1990 General specification of Airborne transponders for air traffic control - 英文版
	GB/T 12182-1990 General specification of secondary surveillance radar for Air traffic control - 英文版
	GB 12073-1989 Security and sanitary standard for dAiry equipment - 英文版
	GB/T 11742-1989 Standard method for hygienic examination of hydrogen sulfide in Air of residential areas--Methylene blue spectrophotometric method - 英文版
	GB/T 11741-1989 Standard method for hygienic examination of carbon disulfide in Air of residential areas--Gas chromato-graphy - 英文版
	GB/T 11740-1989 Standard method forhygienic examination of cadmium in Air of residential areas--Atomic absorption spectrophotometry - 英文版
	GB/T 11739-1989 Standard method forhygienic examination of lead in Air of residential areas--Atomic absorption spectrophotometry - 英文版
	GB/T 11738-1989 Standard methodfor hygienic examination of methanol and acetone in Air of residential areas--Gas chromatography - 英文版
	GB/T 11737-1989 Standard method for hygienic examination of benzene，toluene and xylene in Air of residentialareas--Gas chromatography - 英文版
	GB/T 11736-1989 Standard method for hygienic examination of chlorine in Air of residential areas--Methyl orange spectrophotometric method - 英文版
	GB/T 11735-1989 Standard method for hygienic examination of bery-llium in Air of residential areas--Morin fluorescence spectrophotometric method - 英文版
	GB/T 11734-1989 Standard methodfor hygienic examination of methylparathion in Air of residential areas--Gas chromatography - 英文版
	GB/T 11733-1989 Standard method for hygienic examination of inor-ganic sulfate in Air of residential areas--Ion chromatography - 英文版
	GB/T 11732-1989 Standard method for hygienic examination of pyridine in Air of residential areas--Cyanogen chloride-barbituric acid apectrophotometric method - 英文版
	GB/T 11731-1989 Standard method for hygienic examination of nitrobenzene in Air of residential areas--Gas chromato-graphy - 英文版
	GB 11667-1989 Hygienic standard for inhalable particulate matter in ambient Air of residential areas - 英文版
	GB 11719-1989 Health standard for solvent gasolines in the Air of workplace - 英文版
	GB 11726-1989 Health standard for dusts of aluminium，aluminium oxide and aluminium alloys in the Air of workplace - 英文版
	GB 11725-1989 Health standard for dust containing more than 80% free silica in the Air of workplace - 英文版
	GB 11724-1989 Health standard for dust containing 50%～80% free silica in the Air of workplace - 英文版
	GB 11723-1989 Health standard for 1，2-dichloroethane in the Air of workplace - 英文版
	GB 11722-1989 Health standard for vanadium and its compounds in the Air of workplace - 英文版
	GB 11721-1989 Health standard for ethylene oxide in the Air of workplace - 英文版
	GB 11720-1989 Health standard for trichlorfon in the Air ofworkplace - 英文版
	GB 11532-1989 Hygienic standard for raffinate (50～220℃) in the Air of workplace - 英文版
	GB 11531-1989 Hygienic standard for copper dust and fume in the Air of workplace - 英文版

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