2025-12-15 216.73.216.89
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
YS/T 631-2007 Methods for analysis of zinc-the optical emission spectrometry 150.0 via email in 1~3 business day valid,,2007-10-1
GB/T 5121.8-1996 Copper and copper alloys-Determination of oxygen content 184.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
GB/T 5121.16-1996 Copper and copperr alloys-Determination of chromium content 224.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
GB/T 5121.4-2008 Methods for chemical analysis of copper and copper alloys - Part 4: Determination of carbon and sulfur content 180.0 via email in 1~3 business day valid,,2008-12-1
GB/T 5121.23-1996 Copper and copper alloys-Determination of silicon content 369.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
GB/T 5121.25-2008 Methods for chemical analysis of copper and copper alloys - Part 25: Determination of boron content 100.0 via email in 1~3 business day valid,,2008-12-1
GB/T 5122.2-1985 Methods for chemical analysis of brass--The electrolytic separation--EDTA titrimetric method for the determination of lead content 180.0 via email in business day superseded1997-04-01 ,1997-4-1,1986-2-1
GB/T 466-1982 Classification of copper 180.0 via email in 1~3 business day superseded,1998-8-1,1983-7-1
YS/T 990.16-2014 Methods for chemical analysis of copper matte—Part 16:Determination of mercury content—Cold atomic absorption spectrometry 100.0 via email in 1~3 business day valid,,2015-4-1
GB/T 5121.10-1996 Copper and copper alloys-Determination of tin content 344.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
GB/T 4428-1984 Leaded brass bar for making needle seat of syringe 180.0 via email in business day valid,,1985-5-1
GB/T 13293.4-1991 Higher purity copper cathode－Determination of antimony content－2-[(-5-bromo-2-pyridyl)azo]-5-diethylaminophenol spectrophotometric method 184.0 via email in 1~3 business day superseded2008-12-01,2008-12-1,1992-10-1
YS/T 990.14-2014 Methods for chemical analysis of copper matte—Part 14:Determination of zinc content—Atomic absorption spectrmetry and Na2EDTA titration methods 160.0 via email in 1~3 business day valid,,2015-4-1
GB/T 11089-1989 Leaded brass strips for special purpose 184.0 via email in 1~3 business day superseded2008-12-01,2008-12-1,1990-3-1
GB/T 5121.15-1996 Copper and copper alloys-Determination of cobalt content 224.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
YS/T 990.3-2014 Methods for chemical analysis of copper matte―Part 3:Determination of sulfur content―Gravimetric method and combustion titration method 160.0 via email in 1~3 business day valid,,2015-4-1
GB/T 2061-2004 Strip and foil of copper and brass for heat-exchanger fin 130.0 via email in 1~3 business day superseded,2014-5-1,2004-7-1
GB/T 5120.4-1995 Methods for chemical analysis of blister copper--Determination of Lead, Bismuth and Antimony contents 180.0 via email in 1~3 business day superseded,2006-10-11,1996-3-1
GB/T 5121.3-1996 Copper and copper alloys-Determination of lead content 264.0 via email in 1~3 business day superseded,2008-12-1,1997-4-1
GB/T 5121.21-2008 Methods for chemical analysis of copper and copper alloys - Part 19: Determination of silver content 100.0 via email in 1~3 business day valid,,2008-12-1
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YS/T 631-2007 Methods for analysis of zinc-the optical emission spectrometry 
  Issued on: 2007-4-13   Price(USD): 150.0
GB/T 5121.8-1996 Copper and copper alloys-Determination of oxygen content 
  Issued on: 1996-11-04   Price(USD): 184.0
GB/T 5121.16-1996 Copper and copperr alloys-Determination of chromium content 
  Issued on: 1996-01-01   Price(USD): 224.0
GB/T 5121.4-2008 Methods for chemical analysis of copper and copper alloys - Part 4: Determination of carbon and sulfur content 
  Issued on: 2008-6-17   Price(USD): 180.0
GB/T 5121.23-1996 Copper and copper alloys-Determination of silicon content 
  Issued on: 1996-01-01   Price(USD): 369.0
GB/T 5121.25-2008 Methods for chemical analysis of copper and copper alloys - Part 25: Determination of boron content 
  Issued on: 2008-6-17   Price(USD): 100.0
GB/T 5122.2-1985 Methods for chemical analysis of brass--The electrolytic separation--EDTA titrimetric method for the determination of lead content 
  Issued on: 1985-04-24   Price(USD): 180.0
GB/T 466-1982 Classification of copper 
  Issued on: 1982-06-21   Price(USD): 180.0
YS/T 990.16-2014 Methods for chemical analysis of copper matte—Part 16:Determination of mercury content—Cold atomic absorption spectrometry 
  Issued on: 2014-10-14   Price(USD): 100.0
GB/T 5121.10-1996 Copper and copper alloys-Determination of tin content 
  Issued on: 1996-01-01   Price(USD): 344.0
GB/T 4428-1984 Leaded brass bar for making needle seat of syringe 
  Issued on: 1984-05-29   Price(USD): 180.0
GB/T 13293.4-1991 Higher purity copper cathode－Determination of antimony content－2-[(-5-bromo-2-pyridyl)azo]-5-diethylaminophenol spectrophotometric method 
  Issued on: 1991-01-02   Price(USD): 184.0
YS/T 990.14-2014 Methods for chemical analysis of copper matte—Part 14:Determination of zinc content—Atomic absorption spectrmetry and Na2EDTA titration methods 
  Issued on: 2014-10-14   Price(USD): 160.0
GB/T 11089-1989 Leaded brass strips for special purpose 
  Issued on: 1989-03-31   Price(USD): 184.0
GB/T 5121.15-1996 Copper and copper alloys-Determination of cobalt content 
  Issued on: 1996-01-01   Price(USD): 224.0
YS/T 990.3-2014 Methods for chemical analysis of copper matte―Part 3:Determination of sulfur content―Gravimetric method and combustion titration method 
  Issued on: 2014-10-14   Price(USD): 160.0
GB/T 2061-2004 Strip and foil of copper and brass for heat-exchanger fin 
  Issued on: 2004-2-5   Price(USD): 130.0
GB/T 5120.4-1995 Methods for chemical analysis of blister copper--Determination of Lead, Bismuth and Antimony contents 
  Issued on: 1995-10-17   Price(USD): 180.0
GB/T 5121.3-1996 Copper and copper alloys-Determination of lead content 
  Issued on: 1996-11-04   Price(USD): 264.0
GB/T 5121.21-2008 Methods for chemical analysis of copper and copper alloys - Part 19: Determination of silver content 
  Issued on: 2008-6-17   Price(USD): 100.0
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