Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 11069-2006 High purity germaniumdioxide 120.0 via email in 1~3 business day superseded
HG/T 3927-2007 Activated alumininium oxide for industrial use 150.0 via email in 1~3 business day valid
YS/T 547-2007 High-pure tantalum pentoxide 90.0 via email in 1~3 business day valid
HG/T 2574-2009 Ferric oxide for industrial use 150.0 via email in 1~3 business day valid
YB/T 5332-2006 Methods for chemical analysis of vanadium pentoxide The barium svlphate gravimetric method for the determination of sulphur content 30.0 via email in 1~3 business day abolished
HG/T 4526-2013 Silica for Matting Use 150.0 via email in 1~3 business day valid
GB/T 6523-1986 Aluminium oxide powders-Determination of effective density-Pyknometer method 60.0 via email in 1~3 business day superseded
GB/T 2590.1-1981 Zirconium and hafnium oxides;Determination of zirconium(hafnium)oxide contents;Mandelic acid gravimetric method 15.0 via email in 1~3 business day abolished
HG/T 4525-2013 Titanium Dioxide for Catalyst 120.0 via email in 1~3 business day valid
GB/T 6609.17-1986 Methods for chemical analysis of aluminium oxide--The molybdenum blue photometric method for the determination of phosphorus pentoxide content 180.0 via email in business day superseded
YS/T 572-2007 Beryllium oxide 90.0 via email in 1~3 business day valid
GB/T 3629-2006 Tantalum and tantalum alloy sheet,strip and foil 120.0 via email in 1~3 business day superseded
GB/T 3629-1983 Tantalum and tantalum alloy sheet,strip and foil 45.0 via email in 1~3 business day superseded
GB/T 3502-1983 Technical requirements of superfine palladium oxide powder 15.0 via email in 1~3 business day superseded
YB 4040-1991 Dysprosium oxide 45.0 via email in 1~3 business day valid
HG/T 2521-2008 Silica Sol for industrial use 105.0 via email in 1~3 business day valid
GB/T 3501-1983 Technical requirements of superfine ruthenium dioxide hydrate powder 45.0 via email in 1~3 business day superseded
YB/T 5335-2006 Methods for chemical analysis of vanadium pentoxide The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents 60.0 via email in 1~3 business day superseded
HG/T 2354-2010 Chromatographic silica gel 120.0 via email in 1~3 business day valid
GB/T 3185-1992 Zinc oxide (Indirect method) 80.0 via email in 1 business day superseded
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