Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
HJ 637-2018 Water quality - Determination of petroleum, animal fats and vegetable oils - Infrared spectrophotometry $205.00 via email in 1~3 business day valid
HJ 638-2012 Ambient air-Determination of phenolic compounds by high performance liquid chromatography $210.00 via email in 1~3 business day valid
HJ 639-2012 Water quality-Determination of volatile organic compounds- Purge and trap/gas chromatography-mass spectrometer $200.00 immediately valid
HJ 640-2012 Technical specifications for environmental noise monitoring Routine monitoring for urban environmental noise $240.00 via email in 1~3 business day valid
HJ 641-2012 Technical specifications of environmental quality report compilation $210.00 via email in 1~3 business day valid
HJ 642-2013 Soil and sediment - Determination of volatile organic compounds-headspace - Gas chromatography/mass method $270.00 via email in 1~3 business day valid
HJ 643-2013 Solid waste - Determination of volatile organic compounds- headspace - Gas chromatography/mass method $360.00 via email in 1~3 business day valid
HJ 644-2013 Ambient air - Determination of volatile organic compounds-Sorbent adsorption and thermal desorption/gas chromatography mass spectrometry method $120.00 immediately valid
HJ 645-2013 Ambient air - Determination of volatile halogenated hydrocarbons-Activated charcoal adsorption and carbon disulfide desorption/gas chromatographic method $180.00 via email in 1~3 business day valid
HJ 646-2013 Ambient air and stationary source emissions - Determination of gas and particle-phase polycyclic aromatic hydrocarbons with gas chromatography/mass spectrometry $300.00 via email in 1~3 business day valid
HJ 647-2013 Ambient air and stationary source emissions - Determination of gas and particle-phase polycyclic aromatic hydrocarbons - High performance liquid chromatography $270.00 via email in 1~3 business day valid
HJ 648-2013 Water quality - Determination of nitroaromatics by gas chromatography $240.00 via email in 1~3 business day valid
HJ 649-2013 Soil - Determination of exchangeable acidity by potassium chloride extraction - Titration method $120.00 via email in 1~3 business day valid
HJ 650-2013 Soil and sediment Determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) Isotope dilution HRGC-LRMS $330.00 via email in 1~3 business day valid
HJ 651-2013 Technical Specifications of Eco-environmental Protection and Reclamation for Mining $180.00 via email in 1~3 business day valid
HJ 652-2013 Compiling Guideline of Eco-environmental Protection and Reclamation Plan for Mining $210.00 via email in 1~3 business day valid
HJ 653-2013 Specifications and Test Procedures for Ambient Air Quality Continuous Automated Monitoring System for PM10 and PM2.5 $220.00 via email in 1~3 business day superseded
HJ 653-2013/XG1-2018 via email in business day superseded
HJ 653-2021 Specifications and test procedures for ambient air quality continuous automated monitoring system for PM10 and PM2.5 $285.00 via email in 1~3 business day valid
HJ 654-2013 Specifications and Test Procedures for Ambient Air Quality Continuous Automated Monitoring System for SO2、NO2、O3 and CO $420.00 via email in 1~3 business day superseded
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