Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 240.10-2007 Methods for chemical analysis of bismuth concentrate-Determination of aluminium oxide content-Chromazurol S spectrophotometric method 75.0 via email in 1~3 business day valid
GB/T 16484.13-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 13: Determination of ammonium chloride content - Distillation-titrimetry 90.0 via email in 1~3 business day abolished
GB/T 29657-2013 Yttrium-magnesium alloy 110.0 via email in 1~3 business day valid
YS/T 82-2006 Basis platinum as spectral analysis 75.0 via email in 1~3 business day valid
GB/T 4324.16-2012 Methods for chemical analysis of tungsten - Part 16: Determination of loss content on ignition - Gravimetric method 110.0 via email in 1~3 business day valid
GB/T 4324.21-2012 Methods for chemical analysis of tungsten - Part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry 110.0 via email in 1~3 business day valid
GB/T 4148-2015 Rare earth chloride 120.0 via email in 1~3 business day valid
XB/T 611-2009 Chemical analysis methods of rare earth oxalate - Determination of ignition loss content - Gravimetry 90.0 via email in 1~3 business day valid
YS/T 276.6-2011 Methods for chemical analysis of indiumPart 6:Determination of copper,cadmium and zinc content-Flame atomic absorption spectrometry 165.0 via email in 1~3 business day valid
GB/T 4325.25-2013 Methods for chemical analysis of molybdenum—Part 25:Determination of hydrogen content—Inert gas fusion infrared absorption method/thermal conductivity method 110.0 via email in 1~3 business day valid
YS/T 611-2006 Electrode paste used for PTC ceramic 120.0 via email in 1~3 business day valid
GB/T 4324.4-2012 Methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry 110.0 via email in 1~3 business day valid
GB/T 36541-2018 Cerium-aluminium alloys 79.0 via email in 1~3 business day valid
GB/T 23594.2-2009 Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 2: Determination of fifteen rare earth oxide relative contents - Inductively coupled plasma emission spectrometry 180.0 via email in 1~3 business day valid
YS/T 666-2008 Chemical analysis emthods of gallium for industrial use - Determination of impurity elements - Inductively coupled plasma atomic emission spectrometric method 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
GB/T 15072.4-2008 Test method of precious metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry 120.0 via email in 1~3 business day valid
GB/T 3253.6-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method 90.0 via email in 1~3 business day valid
GB/T 14634.6-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 6:Determination of specific surface area 110.0 via email in 1~3 business day valid
GB/T 23588-2009 Scraps of neodymium iron boron 120.0 via email in 1~3 business day valid
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