2025-12-23 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Position: Search valid to be valid superseded to be superseded abolished to be abolished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/T 3257.6-1999 Methods for chemical analysis of bauxite--Determination of titanium dioxide content--Diantipyrylmethane photometric method 300.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.13-1999 Methods for chemical analysis of bauxite--Determination of zinc content--Flame atomic absorption spectrophotometric method 264.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.21-1999 Methods for chemical analysis of bauxite--Determination of the loss on ignition--Gravimetric method 224.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.17-1999 Methods for chemical analysis of bauxite--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method 100.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method 260.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.24-1999 Methods for chemical analysis of bauxite--Determination of hydroscopic moisture in analytical samples--Gravimetric method 224.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.16-1999 Methods for chemical analysis of bauxite--Determination of gallium oxide concent--Rhodamine B-extraction photometric method 120.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method 184.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method 224.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
GB/T 3257.18-1999 Methods for chemical analysis of bauxite--Determination of sulfur content--Direct combustion-iodometric method 264.0 via email in 1~3 business day superseded,2006-10-11,2000-4-1
YS/T 337-1998 Pyrite concentrate 220.0 via email in 1~3 business day superseded2010-06-01 ,2010-6-1,1998-12-1
SN/T 0680-1997 Methods for sampling and sample preparation of zinc concentrates in bulk for export 160.0 via email in 1~3 business day valid,,1998-5-1
SN/T 0681-1997 Determination of mercury content in zinc concentrates for export 75.0 via email in 1~3 business day superseded,2018-10-1,1998-5-1
GB/T 15924-1995 Method for chemical analysis of tin ores―Determination of tin content―Iodometric method 224.0 via email in 1~3 business day superseded,2011-2-1,1996-8-1
GB/T 15926-1995 Method for chemical analysis of bismuth ores―Determination of bismuth content―EDTA volumetric method 184.0 via email in 1~3 business day superseded,2011-2-1,1996-8-1
GB/T 15922-1995 Method for chemical analysis of cobalt ores―Determination of cobalt content―Flame atomic absorption spectrometric method 224.0 via email in 1~3 business day superseded,2011-2-1,1996-8-1
GB/T 15925-1995 Method for chemical analysis of antimony ores―Determination of antimony content―Cerimetric titeration 184.0 via email in 1~3 business day superseded,2011-2-1,1996-8-1
GB/T 15923-1995 Method for chemical analysis of nickel ores―Determination of nickel content―Flame atomic absorption spectrometric method 224.0 via email in 1~3 business day superseded,2011-2-1,1996-8-1
GB/T 15080.7-1994 Antimony concentrates-Determination of mercury content 180.0 via email in 1~3 business day superseded,2006-10-11,1994-12-1
GB/T 14353.12-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of sulfur 224.0 via email in 1~3 business day superseded,2011-2-21,1994-2-1
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GB/T 3257.6-1999 Methods for chemical analysis of bauxite--Determination of titanium dioxide content--Diantipyrylmethane photometric method 
  Issued on: 1999-08-03   Price(USD): 300.0
GB/T 3257.13-1999 Methods for chemical analysis of bauxite--Determination of zinc content--Flame atomic absorption spectrophotometric method 
  Issued on: 1999-08-03   Price(USD): 264.0
GB/T 3257.21-1999 Methods for chemical analysis of bauxite--Determination of the loss on ignition--Gravimetric method 
  Issued on: 1999-08-03   Price(USD): 224.0
GB/T 3257.17-1999 Methods for chemical analysis of bauxite--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method 
  Issued on: 1999-08-03   Price(USD): 100.0
GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method 
  Issued on: 1999-08-03   Price(USD): 260.0
GB/T 3257.24-1999 Methods for chemical analysis of bauxite--Determination of hydroscopic moisture in analytical samples--Gravimetric method 
  Issued on: 1999-08-03   Price(USD): 224.0
GB/T 3257.16-1999 Methods for chemical analysis of bauxite--Determination of gallium oxide concent--Rhodamine B-extraction photometric method 
  Issued on: 1999-08-03   Price(USD): 120.0
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method 
  Issued on: 1999-08-03   Price(USD): 184.0
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method 
  Issued on: 1999-08-03   Price(USD): 224.0
GB/T 3257.18-1999 Methods for chemical analysis of bauxite--Determination of sulfur content--Direct combustion-iodometric method 
  Issued on: 1999-08-03   Price(USD): 264.0
YS/T 337-1998 Pyrite concentrate 
  Issued on: 1994-01-01   Price(USD): 220.0
SN/T 0680-1997 Methods for sampling and sample preparation of zinc concentrates in bulk for export 
  Issued on: 1997-12-22   Price(USD): 160.0
SN/T 0681-1997 Determination of mercury content in zinc concentrates for export 
  Issued on: 1997-12-22   Price(USD): 75.0
GB/T 15924-1995 Method for chemical analysis of tin ores―Determination of tin content―Iodometric method 
  Issued on: 1995-12-20   Price(USD): 224.0
GB/T 15926-1995 Method for chemical analysis of bismuth ores―Determination of bismuth content―EDTA volumetric method 
  Issued on: 1995-12-20   Price(USD): 184.0
GB/T 15922-1995 Method for chemical analysis of cobalt ores―Determination of cobalt content―Flame atomic absorption spectrometric method 
  Issued on: 1995-12-20   Price(USD): 224.0
GB/T 15925-1995 Method for chemical analysis of antimony ores―Determination of antimony content―Cerimetric titeration 
  Issued on: 1995-12-20   Price(USD): 184.0
GB/T 15923-1995 Method for chemical analysis of nickel ores―Determination of nickel content―Flame atomic absorption spectrometric method 
  Issued on: 1995-12-20   Price(USD): 224.0
GB/T 15080.7-1994 Antimony concentrates-Determination of mercury content 
  Issued on: 1994-05-11   Price(USD): 180.0
GB/T 14353.12-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of sulfur 
  Issued on: 1992-12-05   Price(USD): 224.0
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