Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 574.4-2009 Methods for chemical analysis of zirconium powder for electro-vacuum uses—The molybdenum blue spectrophotometric method for determination of phosphorus 90.0 via email in 1~3 business day valid
YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
YS/T 33-1992 Ether alcohol oil 90.0 via email in 1~3 business day valid
YS/T 981.4-2014 105.0 via email in 1~3 business day valid
YS/T 645-2007 Method for analysis of gold compounds determination of gold content potentiometric titration using ferrous sulfate 60.0 via email in 1~3 business day valid
YS/T 1130-2016 via email in business day valid
YS/T 445-2001 Methods for Chemical Analysis of Silver Concentrates 210.0 via email in 1~3 business day valid
YS/T 519.2-2009 Methods for chemical analysis of arsenic Part 2: Determination of antimony content-Malachite green spectrophotometric method 90.0 via email in 1~3 business day valid
YS/T 227.1-1994 Determination of bismuth content in tellurium--Potassium iodide brucine photometric method 15.0 via email in 1~3 business day abolished
YS/T 276.10-2011 Methods for chemical analysis of indium Part 10:Determination of bismuth aluminium lead iron copper cadmium tin and thallium content-Inductively coupled plasma atomic emission spectrometry 180.0 via email in 1~3 business day valid
YS/T 37.3-1992 45.0 via email in 1~3 business day superseded
YS/T 592-2006 Gold[Ⅰ] potassium cyanide for electroplating 165.0 via email in 1~3 business day valid
YSJ 012-1992 Code for process design of carbon product plant (for trial implementation) 480.0 via email in 1~3 business day valid
YS/T 97-1997 Aluminium alloy tube for quarrying machine 60.0 via email in 1~3 business day superseded
YS/T 820.23-2012 Methods for chemical analysis of laterite nickel ores―Part 23:Determination of cobalt,iron,nickel,phosphorus,aluminium oxide,calcium oxide,chromium oxide,magnesium oxide,manganese oxide,silicon dioxide and titanium dioxide content―Wavelength dispersive 165.0 via email in 1~3 business day valid
YS/T 581.3-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 3: Determination of fluoride content distillation-thorium nitrate titration volumetric method 60.0 via email in 1~3 business day superseded
YS/T 70-2005 Blister copper 75.0 via email in 1~3 business day abolished
YS/T 475.2-2005 Methods for chemical analysis of cast bearing metals - Determination of lead content - EDTA titrimetric method 75.0 via email in 1~3 business day valid
YS/T 63.8-2006 Carbonaceous materials used in the production of aluminium - Part 8: Determination of the density in xylene by a pyknometric method 120.0 via email in 1~3 business day valid
YS/T 1020-2015 Rubidium nitrate 105.0 via email in 1~3 business day valid
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