Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 2091-2003 Phosphoric acid for industrial use 120.0 via email in 1~3 business day abolished
HG/T 2527-2011 Sulfamic acid for industrial use 230.0 via email in business day valid
HG/T 4069-2008 Wet purifide phosphoric acid for industrial use 195.0 via email in 1~3 business day valid
GB/T 4147.1-1984 Method of test for nitric acid content in concentrated nitric acid-Volumetry 15.0 via email in 1~3 business day abolished
GB/T 12684.2-1990 Boric acid for industrial use-Determination of insoluble substance content in water 15.0 via email in 1~3 business day abolished
GB/T 4104-2003 Leucoscopic method for testing whiteness of zine oxide made by direct process 60.0 via email in 1~3 business day valid
HG/T 4068-2008 Wet phosphoric acid for industrial use 75.0 via email in 1~3 business day valid
GB 320-1993 Synthetic hydrochloric acid for industrial use 195.0 via email in 1~3 business day abolished
GB/T 23855-2009 Liquid sulphur trioxide 180.0 via email in 1~3 business day valid
HG/T 4069-2008 Wet purifide phosphoric acid for industrial use 195.0 via email in 1~3 business day valid
GB/T 1626-2008 Oxalic acid for industrial use 120.0 via email in 1~3 business day valid
GB/T 7746-2011 Anhydrous hydrogen fluoride for industrial use 255.0 via email in 1~3 business day valid
GB/T 12684-2006 Methods of test for boron compound for industrial use 150.0 via email in 1~3 business day valid
GB 320-2006 Synthetic hydrochloric acid for industrial use 195.0 via email in 1~3 business day valid
GB/T 33337-2016 Anhydrous hydrogen fluoride prepared by recycling fluosilicic acid 150.0 via email in 1~3 business day valid
GB 13549-1992 Chlorsulphonic acid for industrial use 120.0 via email in 1~3 business day abolished
GB/T 4147.4-1984 Method of test for ignited residue content in concentrated nitric acid-Gravimetry 15.0 via email in 1~3 business day abolished
HG/T 3687-2000 Sodium hydrosulfide for industrial use 75.0 via email in 1~3 business day abolished
HG/T 2834-2009 Zinc oxide for soft magnetic ferrite use 150.0 via email in 1~3 business day valid
HG/T 2528-2009 Chlorinated sodium phosphate 90.0 via email in 1~3 business day valid
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