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GB/T 11735-1989 Standard method for examination of beryllium in air of residential areas-Morin fluorescence spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 13906-1992 Air quality-Determination of nitrogen oxides via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 12373-1990 Standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas (USD) via email in 1-3 business day VALID
GB 18060-2000 Hygienic STANDARD for hydrazine in air of residential area via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 13223-2003 Emission standard of air pollutants for thermal power plants (USD) via email in 1-3 business day ABOLISHED
CB 1019.5-1982 (USD) via email in 1-3 business day VALID
GB 3095-1996 Ambient air quality standard (USD) via email in 1-3 business day ABOLISHED
GB/T 15435-1995 Ambient air-Determination of nitrogen dioxide-Saltzman method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 3840-1991 Technical methods for making local emission STANDARDs of air pollutants via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17097-1997 Hygienic STANDARD for sulfur dioxide in indoor air via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 12378-1990 Analytical method of microquantity uranium in air by spectropho to fluoremetry after extraction with TBP (USD) via email in 1-3 business day ABOLISHED
GB/T 16128-1995 STANDARD method for hygienic examination of sulfur dioxide in air of residential areas-Formaldehyde solution sampling-pararosaniline hydrochloride spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 15264-1994 Ambient air-Determination of lead-Flame atomic absorption spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 8971-1988 Analysis of Benzo(α)Dyrene in Airborne particulates matters by acctylated paper chromatography fluorescence spectrophotometric method (USD) via email in 1-3 business day VALID
GB 11736-1989 Standard method for examination of chlorine in air of residential areas-Methyl orange spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 14677-1993 Air quality. Determination of toluene, dimethyl benzene and styrene. Gas chromatography (USD) via email in 1 business day ABOLISHED
HJ/T 167-2004 Technical specification for monitoring of indoor air quality (USD) via email in 1-10 business day VALID
GB/T 15265-1994 Ambient air-Determination of dustfall-Gravimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 11737-1989 Standard method for examination of benzene toluene and xylene in air of residential areas-Gas chromatography (USD) via email in 1-3 business day VALID
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method (USD) via email in 1 business day SUPERSEDED
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