Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 617-1988 Chemical reagent-General method for the determination of melting range 45.0 via email in 1~3 business day abolished
GB/T 9729-2007 Chemical reagent—General method for the determination of chloride 60.0 via email in 1~3 business day valid
HG/T 3484-1999 Chemical Reagent - Standard of Clear Liquor, Made from Glass Dust, and Standard of Transparence 20.0 via email in 1 business day valid
HG/T 3485-2003 Chemical reagent Vanadium pentoxide 90.0 via email in 1~3 business day valid
GB/T 655-2011 Chemical Reagent - Ammonium Persulfate 40.0 via email in 1 business day valid
GB 1256-1990 Working chemical-Arsenic trioxide 75.0 via email in 1~3 business day abolished
GB/T 604-1988 Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators 135.0 via email in 1~3 business day abolished
GB/T 1279-2008 Chemical reagent - Ammonium iron(III)sulfate dodecahydrate 150.0 via email in 1~3 business day valid
GB/T 9728-1988 Chemical reagent-General method for the determination of sulphate 170.0 via email in 1~3 business day superseded
GB/T 678-1990 Chemical reagent--Ethanol 75.0 via email in 1~3 business day abolished
GB/T 1281-1993 Chemical reagents;Bromine 45.0 via email in 1~3 business day abolished
HG/T 4017-2008 Chemical reagent - Bromocresol green 60.0 via email in 1~3 business day valid
GB/T 657-2011 Chemical reagent—Hexaammonium heptamolybdate tetrahydrate 120.0 via email in 1~3 business day valid
GB/T 35507-2017 General rule for biochemical reagents 225.0 via email in 1~3 business day valid
GB/T 623-2011 Chemical reagent—Perchloric acid 170.0 via email in 1~3 business day valid
GB/T 636-2011 Chemical reagent—Sodium nitrate 180.0 via email in 1~3 business day valid
YS/T 13-1991 165.0 via email in 1~3 business day abolished
GB 6853-1986 pH Basic line; Potassium dihydrogen phosphate 30.0 via email in 1~3 business day abolished
HG 2321-1992 Potassium dihydrogen phosphate 195.0 via email in 1~3 business day abolished
GB/T 3914-1983 Chemical reagents;The general rules of anodic stripping voltametry 335.0 via email in 1~3 business day superseded
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