Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 426.6-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of beryllium oxide content - Bromine methanol method 45.0 via email in 1~3 business day valid
GB/T 12690.27-1990 Rare-earth metals and their oxides-Determination of ignition loss-Gravimetric method 15.0 via email in 1~3 business day abolished
GB/T 23603-2009 Test method of titanium and titanium alloy surface contamination layer 120.0 via email in 1~3 business day valid
YS/T 514.7-2009 Methods for chemical analysis of high titanium slag and rutile—Part 7:Determination of calcium oxide and magnesium oxide content—Flame atomic absorption spectrometry 90.0 via email in 1~3 business day valid
GB/T 18116.2-2008 Chemical analysis methods of Yttrium-europium oxides - Determination of europium oxides 90.0 via email in 1~3 business day valid
GB/T 12690.17-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 17:Determination of niobium and tantalum contents of rare earth metals 180.0 via email in 1~3 business day valid
YS/T 745.5-2010 Methods for chemical analysis of copper anode slime - Part 5: Determination of tellurium content - Potassium dichromate titration method 90.0 via email in 1~3 business day valid
XB/T 601.2-2008 Chemical analysis methods of lanthanum boride determination of Fe、Ca、Mg、Cr、Mn、Cu、Co content inductively coupled plasma atomic emission spectrographic method 120.0 via email in 1~3 business day valid
GB/T 12690.7-2003 Neodymium and neodymium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, s 105.0 via email in 1~3 business day valid
YS/T 540.4-2006 Vanadium -- Determination of iron content -- Phenanthrline spectrophotometric method 30.0 via email in 1~3 business day valid
HB 7716.13-2002 Spectrometric analysis of titanium alloys Part 13: Determination of aluminum chromium copper molybdenum manganese neodymium tin vanadium zirconium content -- Inductively coupled plasma atomic emission spectrometric method 105.0 via email in 1~3 business day valid
GB/T 18116.3-2000 Yttrium-europium oxide-Determination of europium oxide content-Fluorescent spectrophotometric method 15.0 via email in 1~3 business day abolished
GB/T 2592.4-1981 Thallium;Determination of zinc content;Dithizone extraction photometric method 30.0 via email in 1~3 business day abolished
YS/T 227.5-2010 Methods for chemical analysis of copper anode slime - Part 2: Determination of gold content and silver content - Fire assay gravimetric method 90.0 via email in 1~3 business day valid
GB/T 13747.15-1992 and zirconium alloys - Determination of boron content - Curcumin spectrophotometric method 30.0 via email in 1~3 business day abolished
GB/T 13747.7-1992 and zirconium alloys - Determination of manganese content-Patassium periodate spectrophotometric method 30.0 via email in 1~3 business day valid
YS/T 540.5-2006 Vanadium -- Determination of iron content -- Isoanyl alcohol extraction spectrophotometric method 30.0 via email in 1~3 business day valid
YS/T 520.10-2006 Methods for chemical analysis of gallium The atomic absorption spectrophotometric method for the determination of zine content 60.0 via email in 1~3 business day abolished
GB/T 4698.1-1996 Sponge titanium, titanium and titanium alloys - Determination of copper content - Diethyldithiocarbamate spectrophotometric method 30.0 via email in 1~3 business day to be superseded
HB 7716.11-2002 Spectrometric analysis of titanium alloys Part 11: Determination of iron content -- Flame atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
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