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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
CB 1019.1-1982 Detection Tube for Carbon Monoxide 150.0 via email in 1~3 business day valid
CB 1019.2-1982 Detection Tube for Sulfur Dioxide 90.0 via email in 1~3 business day valid
CB 1019.3-1982 Detection Tube for Nitrogen Oxide 105.0 via email in 1~3 business day valid
CB 1019.4-1982 Detection Tube for Hydrogen Sulfide 90.0 via email in 1~3 business day valid
CB 1019.5-1982 Detection Tube for Chlorine Gas 90.0 via email in 1~3 business day valid
CB 1213-1990 Non-portable Hydrogen Monitor 105.0 via email in 1~3 business day abolished
CB 1213-2011 Specification for hydrogen monitoring and controlling device of submarine via email in business day valid
DB31/T 1013-2016 Environmental quality requirement for underground station of rail transit 165.0 via email in 1~3 business day valid
DB31/T 1089-2018 Technical specification of online monitoring system of organic sulfur for ambient air quality 225.0 via email in 1~3 business day valid
DB31/T 1090-2018 Technical specification of online monitoring system of non-methane hydrocarbon for ambient air qua 225.0 via email in 1~3 business day valid
DB37/T 3457-2018 Ambient air―Determination of tritiated water vapor―Liquid scintillation counting method 255.0 via email in 1~3 business day valid
DB37/T 3458-2018 Environmental organisms—Determination of tritium and carbon 14 activities—Liquid scintillation counting method 165.0 via email in 1~3 business day valid
DB37/T 3786-2019 Ambient air—Determination of gaseous pollutants such as sulfureted hydrogen etc Open—Path ultraviolet absorption spectrometry via email in business day valid
DB37/T 3922-2020 Stationary source emission-Determination of total hydrocarbons ,methane and non-methane hydrocarbons-Portable catalytic oxidation-hydrogen flame ionization detector method via email in business day valid
DB37/T 4078-2020 Ambient air—Online determination of volatile organic compounds—Gas chromatography-flame ionization detector /mass spectrometer via email in business day valid
DB37/T 4378-2021 Ambient air—Determination of particulate matter—Portable beta-ray method 135.0 via email in 1~3 business day valid
GB 11667-1989 Hygienic standard for inhalable particles in ambient air of residential areas 30.0 via email in 1~3 business day valid
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
GB 11736-1989 Standard method for examination of chlorine in air of residential areas-Methyl orange spectrophotometric method 60.0 via email in 1~3 business day valid
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


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