Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
HB 6731.11-2005 Methods for spectrometric analysis of aluminium alloys - Part 11: Determination of beryllium content by flame atomic absorption spectrometric method 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 445-2001 Methods for Chemical Analysis of Silver Concentrates 210.0 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 37.3-1992 45.0 via email in 1~3 business day abolished
GB/T 21994.3-2008 Chemical analysis of magnesium fluoride - Part 3: Determination of fluoride content - Distillation-thorium nitrate titration volumetric method 90.0 via email in 1~3 business day valid
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
YS/T 424.5-2000 Methods for chemical analysis of titanium diboride powder—Determination of oxygen content 75.0 via email in 1~3 business day valid
HB 5219.7-1998 Methods for Chemical Analysis of Magnesium Alloy- Determination of Manganese Content (Excluding Zirconium and Rare Earth) with Potassium Periodate Spectrophotometric Method 45.0 via email in 1~3 business day valid
YS/T 372.14-2006 Methods for elementary analysis of precious alloy -- Determination of magnesium content -- Potentiometer titration using potassium permanganate 60.0 via email in 1~3 business day valid
YS/T 37.4-1992 75.0 via email in 1~3 business day abolished
YS/T 746.13-2010 Methods for chemical analysis of lead-free tin-based solders - Part 12: Determination of Indium content - Na2EDTA titrimetric method 105.0 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
YS/T 281.10-1994 Cobalt -- Determination of nickel content -- Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day abolished
GB/T 4296-1984 Magnesium alloy wrought products--Microstructure--Inspection method 180.0 via email in business day abolished
GB/T 11066.9-2009 Methods for chemical analysis of gold—Determination of arsenic and tin contents—Hydride generation-atomic fluorescence spectrometry 150.0 via email in 1~3 business day valid
YS/T 475.3-2005 Methods for chemical analysis of cast bearing metals - Determination of antimony content - Cerium sulfate titrimetric method 75.0 via email in 1~3 business day valid
GB/T 20127.4-2006 Steel and alloy - Determination of trace element contents Part 4: Determination of copper content by graphite furnace atomic absorption spectrometric method 105.0 via email in 1~3 business day valid
GB/T 20127.7-2006 Steel and alloy - Determination of trace element contents Part 7: Determination of lead content by oscillopolarographic method 75.0 via email in 1~3 business day abolished
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