Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HJ 829-2017 Ambient air -Determination of inorganic elements in ambient particle matter- Energy dispersive X-ray fluorescence spectroscopy (ED-XRF) method 285.0 via email in 1~3 business day valid
SHJ 515-1990 Construction standard for large-size equipment hoisting engineering 1860.0 via email in 1~3 business day valid
HJ/T 345-2007 Water quality-Determination of iron-phenanthroline spectrophotometry 90.0 via email in 1~3 business day valid
HJ/T 249-2006 Specifications for environmental protection product -- Hydraulic cyclone 75.0 via email in 1~3 business day valid
HJ 2537-2014 Technical requirement for environmental labeling products 40.0 via email in 1 business day valid
HJ/T 45-1999 Stationary source emission -- Determination of asphaltic smoke -- Gravimetric method 90.0 via email in 1~3 business day valid
HJBZ 22-1998 220.0 via email in business day
HJ/T 60-2000 Water Quality - Determination of Sulfides - Iodometric Method 40.0 via email in 1 business day valid
SHJ 20-1990 530.0 via email in business day
HJ/T 154-2004 The guidelines for the hazard evaluation of new chemical substances 270.0 via email in 1~3 business day valid
HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration 120.0 via email in 1~3 business day valid
HJ 596.2-2010 Water quality–Vocabulary Part 2 510.0 via email in 1~8 business day valid
HJ 2028-2013 General technical specification for electrostatic precipitation engineering 600.0 via email in 1~3 business day valid
HJ/T 73-2001 Water quality -- Determination of Acrylonitrile -- Gas chromatography 90.0 via email in 1~3 business day valid
HJ 678-2013 Water quality-Digestion of total metals-Microwave assisted acid digestion method 234.0 via email in business day valid
HDB/HJ005-2007 via email in business day valid
HJ 750-2015 Solid Waste-Determination of total chromium-Furnace atomic absorption spectrometry 334.0 via email in business day valid
HJ 703-2014 Soil and sediment—Determination of phenolic compounds—Gas chromatography 364.0 via email in business day valid
HJ/T 259-2006 Specifications for environmental protection product -- Rotary brush aerator 150.0 via email in 1~3 business day valid
HJ/T 415-2008 Guide of Safety-Assessment on Application of Microbial Blends in the Environmental Protection 165.0 via email in 1~3 business day valid
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