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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB 6730.19-1986 Methods for chemical analysis of iron ores - The bismuth phosphomolybdate blue photometric method for the determination of phosphorus content 60.0 via email in 1~3 business day superseded2017-09-01,2017-9-1,1987-8-1
GB 6730.37-1986 Methods for chemical analysis of iron ores; The 4-[(5-chloro-2-pyridyl)azo]-1,3-diaminobenzene photometric method for the determination of cobalt content 60.0 via email in 1~3 business day superseded2018-06-01 ,2018-6-1,1987-8-1
GB/T 6730.15-1986 Methods for chemical analysis of iron ores; The complexometric method for the determination of magnesium content 184.0 via email in 1~3 business day superseded,2008-3-1,1987-8-1
GB 6730.44-1986 Methods for chemical analysis of iron ores - The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content 60.0 via email in 1~3 business day superseded2018-06-01 ,2018-6-1,1987-8-1
GB 6730.38-1986 Methods for chemical analysis of iron ores; The nitroso-R salt photometric method for the determination of cobalt content 60.0 via email in 1~3 business day superseded2018-06-01 ,2018-6-1,1987-8-1
GB/T 6730.51-1986 Methods for chemical analysis of iron ores; The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate 90.0 via email in 1~3 business day superseded,2023-12-1,1987-8-1
GB/T 6730.43-1986 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of zinc content 180.0 via email in 1~3 business day abolished2005-10-14 ,,1987-8-1
GB 6730.48-1986 Methods for chemical analysis of iron ores; The dethio diantipyryl methane photometric method for the determination of bismuth content 60.0 via email in 1~3 business day valid,,1987-8-1
GB/T 6730.33-1986 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of tin content 180.0 via email in 1~3 business day abolished2005-10-14 ,,1987-8-1
GB 6730.21-1986 Method for chemical analysis of iron ores - The potassium periodate photometric method for the determination of manganese content 90.0 via email in 1~3 business day abolished2017-09-01,2017-9-1,1987-8-1
GB 6730.20-1986 Methods for the chemical analysis of iron ores; The volumetric method for the determination of phosphorus content 105.0 via email in 1~3 business day superseded,2017-9-1,1987-8-1
GB/T 6730.31-1986 Methods for chemical analysis of iron ores - The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content 214.0 via email in 1~3 business day valid,,1987-8-1
GB 6730.17-1986 Methods for chemical analysis of iron ores; The combustion iodometric method for the determination of sulfur content 60.0 via email in 1~3 business day abolished2015-05-01,2015-5-1,1987-8-1
GB/T 6730.40-1986 Methods for the chemical analysis of iron ores--The polarography method for the determination of nickel content 220.0 via email in 1~3 business day abolished2005-10-14 ,,1987-8-1
GB 6730.49-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content 90.0 via email in 1~3 business day abolished2018-07-01 ,2018-7-1,1987-8-1
GB 1361-1978 Analytical methods of iron ores-Generality and common rules 15.0 via email in 1~3 business day superseded,2008-11-1,1979-1-1
GB/T 24241-2009 Direct reduced iron—Determination of the tumble and abrasion indices of hot briquetted iron (HBI) 140.0 via email in 1~3 business day valid,,1900-7-19
YS/T 1047.9-2015 Methods for chemical analysis of copper magnetite - Part 9: Determination of metallic iron content - Sulfosalicylic acid photometric method 160.0 via email in 1~3 business day valid,,
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GB 6730.19-1986 Methods for chemical analysis of iron ores - The bismuth phosphomolybdate blue photometric method for the determination of phosphorus content  
  Issued on: 1986-8-19   Price(USD): 60.0
GB 6730.37-1986 Methods for chemical analysis of iron ores; The 4-[(5-chloro-2-pyridyl)azo]-1,3-diaminobenzene photometric method for the determination of cobalt content 
  Issued on: 1986-08-19   Price(USD): 60.0
GB/T 6730.15-1986 Methods for chemical analysis of iron ores; The complexometric method for the determination of magnesium content 
  Issued on: 1986-08-19   Price(USD): 184.0
GB 6730.44-1986 Methods for chemical analysis of iron ores - The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content  
  Issued on: 1986-8-19   Price(USD): 60.0
GB 6730.38-1986 Methods for chemical analysis of iron ores; The nitroso-R salt photometric method for the determination of cobalt content 
  Issued on: 1986-08-19   Price(USD): 60.0
GB/T 6730.51-1986 Methods for chemical analysis of iron ores; The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate 
  Issued on: 1986-08-19   Price(USD): 90.0
GB/T 6730.43-1986 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of zinc content 
  Issued on: 1986-08-19   Price(USD): 180.0
GB 6730.48-1986 Methods for chemical analysis of iron ores; The dethio diantipyryl methane photometric method for the determination of bismuth content 
  Issued on: 1986-08-19   Price(USD): 60.0
GB/T 6730.33-1986 Methods for chemical analysis of iron ores--The oscilloscopic polarography method for the determination of tin content 
  Issued on: 1986-08-19   Price(USD): 180.0
GB 6730.21-1986 Method for chemical analysis of iron ores - The potassium periodate photometric method for the determination of manganese content  
  Issued on: 1986-8-19   Price(USD): 90.0
GB 6730.20-1986 Methods for the chemical analysis of iron ores; The volumetric method for the determination of phosphorus content 
  Issued on: 1986-08-19   Price(USD): 105.0
GB/T 6730.31-1986 Methods for chemical analysis of iron ores - The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content  
  Issued on: 1986-8-19   Price(USD): 214.0
GB 6730.17-1986 Methods for chemical analysis of iron ores; The combustion iodometric method for the determination of sulfur content 
  Issued on: 1986-08-19   Price(USD): 60.0
GB/T 6730.40-1986 Methods for the chemical analysis of iron ores--The polarography method for the determination of nickel content 
  Issued on: 1986-08-19   Price(USD): 220.0
GB 6730.49-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content  
  Issued on: 1986-8-19   Price(USD): 90.0
GB 1361-1978 Analytical methods of iron ores-Generality and common rules 
  Issued on: 1978-02-06   Price(USD): 15.0
GB/T 24241-2009 Direct reduced iron—Determination of the tumble and abrasion indices of hot briquetted iron (HBI) 
  Issued on: 2009-7-15   Price(USD): 140.0
YS/T 1047.9-2015 Methods for chemical analysis of copper magnetite - Part 9: Determination of metallic iron content - Sulfosalicylic acid photometric method 
  Issued on: 2015-04-30   Price(USD): 160.0
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