2025-12-21 10.8.118.215
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 2112-1980 Determination of tin content in selenium--Phenylfluorone-cetylirimethylammonium bromide absorption photometric method 180.0 via email in 1~3 business day valid,,1981-10-1
GB 2121-1980 Determination of lead content in selenium--Oscillopolarographic method 184.0 via email in 1~3 business day superseded,1993-3-1,1981-10-1
GB/T 4700.4-1998 Methods for chemical analysis of calcium-silicon- The phosphomolybdenum blue photometric method for the determination of phosphorus content 184.0 via email in 1~3 business day superseded2007-09-29,2006-10-11,1999-7-1
YS/T 34.2-2011 Method for chemical analysis of the high-purity arsenic—Predicating method for determinating the concentration of selenium 120.0 via email in 1~3 business day valid,,2012-7-1
YS/T 226.5-1994 Determination of mercury content in selenium 30.0 via email in 1~3 business day superseded,2010-6-1,1996-3-12
YS/T 226.14-1994 Determination of carbon content in selenium - Combustion conductometric titration method 30.0 via email in 1~3 business day abolished2023-11-03 ,,1993-3-1
GB 2144-1980 Determination of magnesium and sodium contents in tellurium--Atomic absorption spectrophotometric method 184.0 via email in 1~3 business day superseded,1996-3-12,1981-10-1
YS/T 226.3-2009 Methods for chemical analysis of selenium Part 3:Determination of aluminum content-Chrome azurol S-Cetyl trimethyl ammonium bromide absorption photometric method 120.0 via email in 1~3 business day valid,,2010-6-1
YS/T 226.6-2009 Methods for chemical analysis of selenium Part 6: Determination of sulfur content - Diphenylcarbazide spectrophotometry 90.0 via email in 1~3 business day valid,,2010-6-1
GB/T 24578-2015 Test method for measuring surface metal contamination on silicon wafers by total reflection X-Ray fluorescence spectroscopy 210.0 via email in 1~3 business day superseded,2025-2-1,2017-1-1
GB 2142-1980 Determination of copper content in tellurium--Neocuproine Chloroform extraction photometric method 184.0 via email in 1~3 business day superseded,1996-3-12,1981-10-1
GB/T 4060-2007 Polycrystalline silicon—Examination method—Vacuum zone-melting on boron 120.0 via email in 1~3 business day superseded,2019-6-1,2008-2-1
YS/T 980-2014 Determination of impurities of high purity gallium oxide—Inductively coupled plasma-mass spectrmetry 160.0 via email in 1~3 business day valid,,2015-4-1
SN/T 1039-2002 Method for the sampling and sample preparation of silicon carbide packed in metricton bags for import and export 150.0 via email in 1~3 business day superseded,2021-3-1,2002-6-1
GB 2139-1980 Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method 184.0 via email in 1~3 business day superseded,1996-3-12,1981-10-1
YS/T 226.8-2009 Methods for chemical analysis of selenium Part 8:Determination of copper content-Flame atomic absorption spectrometry 120.0 via email in 1~3 business day superseded,1993-3-1,2010-6-1
YS/T 226.2-2009 Methods for chemical analysis of selenium - Part 2: Determination of antimony content - Hydride generation-atomic fluorescence spectrometry 90.0 via email in 1~3 business day valid,,2010-6-1
GB/T 4373.2-1984 Methods for chemical analysis of arsenic;The malachite green photometric method for the determination of antimony content 184.0 via email in 1~3 business day superseded,2006-10-11,1985-4-1
GB 2147-1980 Determination of silicon content in tellurium--n-butyl alcohol extraction silicon-molybdenum blue photometric method 184.0 via email in 1~3 business day superseded,1996-3-12,1981-10-1
GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content 180.0 via email in 1~3 business day superseded,2008-2-1,1985-9-1
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GB 2112-1980 Determination of tin content in selenium--Phenylfluorone-cetylirimethylammonium bromide absorption photometric method 
  Issued on:   Price(USD): 180.0
GB 2121-1980 Determination of lead content in selenium--Oscillopolarographic method 
  Issued on:   Price(USD): 184.0
GB/T 4700.4-1998 Methods for chemical analysis of calcium-silicon- The phosphomolybdenum blue photometric method for the determination of phosphorus content 
  Issued on: 1998-01-02   Price(USD): 184.0
YS/T 34.2-2011 Method for chemical analysis of the high-purity arsenic—Predicating method for determinating the concentration of selenium 
  Issued on: 2011-12-20   Price(USD): 120.0
YS/T 226.5-1994 Determination of mercury content in selenium 
  Issued on:   Price(USD): 30.0
YS/T 226.14-1994 Determination of carbon content in selenium - Combustion conductometric titration method 
  Issued on: 1993-3-1   Price(USD): 30.0
GB 2144-1980 Determination of magnesium and sodium contents in tellurium--Atomic absorption spectrophotometric method 
  Issued on:   Price(USD): 184.0
YS/T 226.3-2009 Methods for chemical analysis of selenium Part 3:Determination of aluminum content-Chrome azurol S-Cetyl trimethyl ammonium bromide absorption photometric method 
  Issued on: 2009-12-04   Price(USD): 120.0
YS/T 226.6-2009 Methods for chemical analysis of selenium Part 6: Determination of sulfur content - Diphenylcarbazide spectrophotometry 
  Issued on: 2009-12-4   Price(USD): 90.0
GB/T 24578-2015 Test method for measuring surface metal contamination on silicon wafers by total reflection X-Ray fluorescence spectroscopy 
  Issued on: 2015-12-10   Price(USD): 210.0
GB 2142-1980 Determination of copper content in tellurium--Neocuproine Chloroform extraction photometric method 
  Issued on:   Price(USD): 184.0
GB/T 4060-2007 Polycrystalline silicon—Examination method—Vacuum zone-melting on boron 
  Issued on: 2007-12-18   Price(USD): 120.0
YS/T 980-2014 Determination of impurities of high purity gallium oxide—Inductively coupled plasma-mass spectrmetry 
  Issued on: 2014-10-14   Price(USD): 160.0
SN/T 1039-2002 Method for the sampling and sample preparation of silicon carbide packed in metricton bags for import and export 
  Issued on: 2002-01-16   Price(USD): 150.0
GB 2139-1980 Determination of lead content in tellurium--Dithizone-carbon tetrachloride extraction photometric method 
  Issued on:   Price(USD): 184.0
YS/T 226.8-2009 Methods for chemical analysis of selenium Part 8:Determination of copper content-Flame atomic absorption spectrometry 
  Issued on: 2009-12-04   Price(USD): 120.0
YS/T 226.2-2009 Methods for chemical analysis of selenium - Part 2: Determination of antimony content - Hydride generation-atomic fluorescence spectrometry 
  Issued on: 2009-12-4   Price(USD): 90.0
GB/T 4373.2-1984 Methods for chemical analysis of arsenic;The malachite green photometric method for the determination of antimony content 
  Issued on: 1984-04-30   Price(USD): 184.0
GB 2147-1980 Determination of silicon content in tellurium--n-butyl alcohol extraction silicon-molybdenum blue photometric method 
  Issued on:   Price(USD): 184.0
GB/T 4699.1-1984 Methods for chemical analysis of silicochromium--The gravimetric method for the determination of silicon content 
  Issued on: 1984-09-28   Price(USD): 180.0
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