2025-12-13 216.73.216.3
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 15264-1994 Ambient air－Determination of lead－Flame atomic absorption spectrophotometric method 110.0 via email in 1~3 business day superseded,2018-9-1,1995-6-1
GB/T 14670-1993 Air quality－Determination of styrene－Gas chromatography 100.0 via email in 1~3 business day superseded2010-12-01,2010-12-1,1994-5-1
GB/T 14669-1993 Air quality - Determination of ammonia - Ion selective electrode method 85.0 via email in 1~3 business day valid,,1994-5-1
GB/T 14668-1993 Air quality. Determination of ammonia. Nesslers reagent colorimetric method 184.0 via email in 1~3 business day superseded2010-04-01,2010-4-1,1994-5-1
GB/T 14584-1993 and determination of 131^I in air 120.0 via email in 1~3 business day valid,,1994-4-1
GB/T 14582-1993 methods for radon measurement in environmental air 240.0 via email in 1~3 business day superseded,2022-1-15,1994-4-1
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method 180.0 via email in 1~3 business day superseded,2010-4-1,1994-3-1
GB/T 14677-1993 Air quality. Determination of toluene, dimethyl benzene and styrene. Gas chromatography 300.0 via email in 1~3 business day superseded2010-12-01 ,2010-12-1,1994-3-1
GB/T 14678-1993 Air quality －Determination of sulfuretted hydrogen, methyl sulfhydryl, dimethyl sulfide and dimethyl disulfide －Gas chromatography 120.0 via email in 1 business day valid,,1994-3-1
GB/T 14676-1993 Air quality －Determination of trimethylamine －Gas chromatography 140.0 via email in 1 business day valid,,1994-3-1
GB/T 12474-1990 Method of test for explosion limits of combustible gases in air 184.0 via email in 1~3 business day superseded,2009-3-1,1991-9-1
GB 12374-1990 standard method for examination of nitrate in air of residential areas-Reduction of the cadmium column-the spectrophotometry of N-(1-naphthyl)ethylenediaminl hydrochloride 75.0 via email in 1~3 business day valid,,1991-3-1
GB 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method 75.0 via email in 1~3 business day valid,,1991-3-1
GB/T 12373-1990 standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas 210.0 via email in 1~3 business day valid,,1991-3-1
CB 1213-1990 Non-portable Hydrogen Monitor 105.0 via email in 1~3 business day abolished2011-10-01,2011-10-1,1991-1-1
GB 12377-1990 Analytical method of microquantity uranium in air by laser-fluoremetry and spectropho to fluoremetry after extraction with TBP 45.0 via email in 1~3 business day superseded2017-08-01,2017-8-1,1990-12-1
GB 12378-1990 Analytical method of microquantity uranium in air by spectropho to fluoremetry after extraction with TBP 45.0 via email in 1~3 business day superseded2017-08-01,2017-8-1,1990-12-1
GB 11742-1989 Standard method for examination of hydrogen sulfide in air of residential areas-Methylene blue spectrophotometric method 60.0 via email in 1~3 business day valid,,1990-7-1
GB 11737-1989 Standard method for examination of benzene toluene and xylene in air of residential areas-Gas chromatography 75.0 via email in 1~3 business day valid,,1990-7-1
GB 11733-1989 Standard method for examination of inorganic sulfate in air of residential areas-Ion chromatographly 60.0 via email in 1~3 business day valid,,1990-7-1
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GB/T 15264-1994 Ambient air－Determination of lead－Flame atomic absorption spectrophotometric method 
  Issued on: 1994-11-02   Price(USD): 110.0
GB/T 14670-1993 Air quality－Determination of styrene－Gas chromatography 
  Issued on: 1993-09-18   Price(USD): 100.0
GB/T 14669-1993 Air quality - Determination of ammonia - Ion selective electrode method 
  Issued on: 1993-9-18   Price(USD): 85.0
GB/T 14668-1993 Air quality. Determination of ammonia. Nesslers reagent colorimetric method 
  Issued on: 1993-09-18   Price(USD): 184.0
GB/T 14584-1993 and determination of 131^I in air 
  Issued on: 1993-8-30   Price(USD): 120.0
GB/T 14582-1993 methods for radon measurement in environmental air 
  Issued on: 1993-8-30   Price(USD): 240.0
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method 
  Issued on: 1993-09-18   Price(USD): 180.0
GB/T 14677-1993 Air quality. Determination of toluene, dimethyl benzene and styrene. Gas chromatography 
  Issued on: 1993-09-18   Price(USD): 300.0
GB/T 14678-1993 Air quality －Determination of sulfuretted hydrogen, methyl sulfhydryl, dimethyl sulfide and dimethyl disulfide －Gas chromatography 
  Issued on: 1993-9-18   Price(USD): 120.0
GB/T 14676-1993 Air quality －Determination of trimethylamine －Gas chromatography 
  Issued on: 1993-9-18   Price(USD): 140.0
GB/T 12474-1990 Method of test for explosion limits of combustible gases in air 
  Issued on: 1990-09-10   Price(USD): 184.0
GB 12374-1990 standard method for examination of nitrate in air of residential areas-Reduction of the cadmium column-the spectrophotometry of N-(1-naphthyl)ethylenediaminl hydrochloride 
  Issued on: 1990-3-22   Price(USD): 75.0
GB 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas-Modified Saltzman method 
  Issued on: 1990-03-22   Price(USD): 75.0
GB/T 12373-1990 standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas 
  Issued on: 1990-3-22   Price(USD): 210.0
CB 1213-1990 Non-portable Hydrogen Monitor  
  Issued on: 1990-06-06   Price(USD): 105.0
GB 12377-1990 Analytical method of microquantity uranium in air by laser-fluoremetry and spectropho to fluoremetry after extraction with TBP 
  Issued on: 1990-6-9   Price(USD): 45.0
GB 12378-1990 Analytical method of microquantity uranium in air by spectropho to fluoremetry after extraction with TBP 
  Issued on: 1990-6-9   Price(USD): 45.0
GB 11742-1989 Standard method for examination of hydrogen sulfide in air of residential areas-Methylene blue spectrophotometric method 
  Issued on: 1989-09-21   Price(USD): 60.0
GB 11737-1989 Standard method for examination of benzene toluene and xylene in air of residential areas-Gas chromatography 
  Issued on: 1989-09-21   Price(USD): 75.0
GB 11733-1989 Standard method for examination of inorganic sulfate in air of residential areas-Ion chromatographly 
  Issued on: 1989-09-21   Price(USD): 60.0
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