Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 30449-2013 Nanoscale tin dioxide 180.0 via email in 1~3 business day valid
HG/T 4505-2013 Calcium peroxide for industrial use 120.0 via email in 1~3 business day valid
GB/T 5239-1993 Praseodynium oxide 60.0 via email in 1~3 business day abolished
GB/T 1616-2014 Hydrogen peroxide for industrial use 80.0 via email in 1~2 business day valid
YB/T 5333-2006 Methods for chemical analysis of vanadium pentoxide The oscillopolarographic method for the determination of sulphur content 45.0 via email in 1~3 business day abolished
YS/T 572-2007 Beryllium oxide 90.0 via email in 1~3 business day valid
YS/T 568.10-2006 Hafnium oxides--Determination of manganese oxide content--Potassium periodate photometric method 15.0 via email in 1~3 business day abolished
GB/T 2590.11-1981 Zirconium oxide;Determination of nickel content;2,2 15.0 via email in 1~3 business day abolished
GB/T 2969-1994 Samarium oxide 60.0 via email in 1~3 business day abolished
YB/T 5330-2006 Methods for chemical analysis of vanadium pentoxide The ortho-phenanthroline spectrophotometric method for the determination iron content 15.0 via email in 1~3 business day abolished
GB/T 12144-2000 Terbium oxide 75.0 via email in 1~3 business day superseded
YB/T 5334-2006 Methods for chemical analysis of vanadium pentoxide The AgDDTC spectrophotometric method for the determination of arsenic content 30.0 via email in 1~3 business day abolished
HG/T 4532-2013 Zinc Oxide for Cosmetic Use 150.0 via email in 1~3 business day valid
WB/T 1019-2002 Caustic burned magnesia for magnesium oxychloride cement products 120.0 via email in 1~3 business day valid
GB/T 3637-1993 Liquid sulphur dioxide 120.0 via email in 1~3 business day superseded
HG/T 3258-2001 Thiourea dioxide for industrial use 105.0 via email in 1~3 business day superseded
YS/T 568.11-2006 Zirconium oxide--Determination of nickel content--2 2-furil dioxime absorption photometric method 15.0 via email in 1~3 business day superseded
GB/T 26013-2010 Tin dioxide 120.0 via email in 1~3 business day valid
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
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content via email in business day superseded
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