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 487-2009 Water quality - Determination of fluoride - Visual colorimetry with zirconium alizarinsulfonate $254.00 via email in 1~3 business day valid
HJ 488-2009 Water quality-Determination of Fluoride-Fluorine reagents spectrophotometry $100.00 immediately valid
HJ 489-2009 Water quality - Determination of silver - Spectrophotometric method with 3,5-Br2-PADAP $224.00 via email in 1~3 business day valid
HJ 490-2009 Water quality - Determination of silver - Spectrophotometry with cation 2B $224.00 via email in 1~3 business day valid
HJ 491-2009 Soil quality—Determination of total chromium—Flame atomic absorption spectrometry $130.00 via email in 1~3 business day superseded
HJ 491-2019 Soil and sediment - Determination of copper, zinc, lead, nickel and chromium - Flame atomic absorption spectrophotometry $269.00 via email in 1~3 business day valid
HJ 492-2009 Air quality - Vocabulary $334.00 via email in 1~3 business day valid
HJ 493-2009 Water quality - Technical regulation of the preservation and handling of samples $454.00 via email in 1~5 business day valid
HJ 494-2009 Water quality-Guidance on sampling techniques $270.00 via email in 1~3 business day valid
HJ 495-2009 Water quality Technical regulation on the design of sampling programmes $240.00 via email in 1~3 business day valid
HJ 496-2009 Classification and nomenclature for environmental engineering technology $384.00 via email in 1~3 business day valid
HJ 497-2009 Technical specifications for pollution treatment projects of livestock and poultry farms $120.00 via email in 1~3 business day valid
HJ 500-2009 Technical Specifications for On-board Diagnostic System of Light Duty Vehicles $170.00 immediately valid
HJ 501-2009 Water quality-Determination of total organic carbon—Combustion oxidation nondispersive infrared absorption method $60.00 immediately valid
HJ 502-2009 Water quality-Determination of volatile phenolic compounds-bromine method $120.00 via email in 1~3 business day valid
HJ 503-2009 Water quality-Determination of volatile phenolic compounds-4-AAP spectrophotometric method $180.00 via email in 1~3 business day valid
HJ 504-2009 Ambient air - Determination of ozone - Indigo disulphonate spectrophotometry $254.00 via email in 1~3 business day superseded
HJ 504-2009/XG1-2018 Ambient air-Determination of ozone-Indigo disulphonate spectrophotometry , includes Amendment 1 $165.00 via email in 1~3 business day valid
HJ 505-2009 Water Quality - Determination of Biochemical Oxygen Demand after 5 Days (BOD5) for Dilution and Seeding Method $150.00 immediately valid
HJ 506-2009 Water Quality – Determination of Dissolved Oxygen – Electrochemical Probe Method $120.00 immediately valid
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