Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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QB/T 1635-1992 Kaolin of Domestic Ceramics 60.0 via email in 1~3 business day abolished
GB/T 25282-2010 Soil and sediment—Sequential extraction procedure of speciation of 13 trace elements 180.0 via email in 1~3 business day valid
GB/T 14506.16-2010 Methods for chemical analysis of silicate rocks—Part 16:Determination of rubidium content 120.0 via email in 1~3 business day valid
JC/T 927-2003 Chlorite 75.0 via email in 1~3 business day valid
GB/T 14506.23-1993 Silicate rocks--Determination of chromium 75.0 via email in 1~3 business day abolished
GB/T 14506.27-2010 Methods for chemical analysis of silicate rocks - Part 27: Determination of nickel content 120.0 via email in 1~3 business day valid
JC/T 929-2003 Pyrophyllite 75.0 via email in 1~3 business day valid
GB/T 14506.23-2010 Methods for chemical analysis of silicate rocks—Part 23:Determination of chromium content 180.0 via email in 1~3 business day valid
GB/T 14506.7-2010 Methods for chemical analysis of silicate rocks—Part 7:Determination of magnesium oxide content 170.0 via email in 1~3 business day valid
GB/T 14506.29-2010 Methods for chemical analysis of silicate rocks—Part 29:Determination of 22 elements including rare earth elements 210.0 via email in 1~3 business day valid
GB/T 14506.20-2010 Methods for chemical analysis of silicate rocks—Part 20:Determination of zinc content 180.0 via email in 1~3 business day valid
GB/T 14506.11-2010 Methods for chemical analysis of silicate rocks—Part 11:Determination of potassium oxide and sodium oxide content 180.0 via email in 1~3 business day valid
GB/T 14506.6-2010 Methods for chemical analysis of silicate rocks—Part 6:Determination of calcium oxide content 170.0 via email in 1~3 business day valid
GB/T 3521-1995 Method for chemical analysis of graphite 105.0 via email in 1~3 business day superseded
GB/T 14506.21-2010 Methods for chemical analysis of silicate rocks—Part 21:Determination of nickel and cobalt content 120.0 via email in 1~3 business day valid
GB/T 14506.12-1993 Sillicate rocks. Determination of fluorine content. Ion selective electrode method 45.0 via email in 1~3 business day abolished
GB/T 14840-2010 Methods for chemical analysis of limestones—Determination of free silicon dioxide content 150.0 via email in 1~3 business day valid
SN/T 0830-1999 Methods for sampling and sample preparation of talc powder in bags for export 75.0 via email in 1~3 business day abolished
GB/T 14506.2-1993 Sillicate rocks. Determination of combined water content. Gravimetric method 30.0 via email in 1~3 business day abolished
JC/T 595-1995 Dry-milled mico powder 120.0 via email in 1~3 business day superseded
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