2025-12-18 216.73.216.41
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 14418-1993 Analysis of water used in boiler and cooling system－Determination of copper 264.0 via email in 1~3 business day superseded2008-02-01,2008-2-1,1994-1-1
GB/T 14416-1993 Methods for sampling boiler steem 340.0 via email in 1~3 business day superseded2011-05-01 ,2011-5-1,1994-1-1
GB/T 14424-1993 Analysis of water used in boiler and cooling system－Determination of free chlorine residuals 264.0 via email in 1~3 business day superseded,2008-9-1,1994-1-1
GB/T 14421-1993 Analysis of water used in boiler and cooling system. Determination of polyacrylic acid. Turbidimetric method 180.0 via email in 1~3 business day abolished2005-10-14 ,,1994-1-1
GB/T 14415-1993 Analysis of water used in boiler and cooling system. Determination of solids matter 220.0 via email in 1~3 business day valid,,1994-1-1
GB/T 14426-1993 Analysis of water used in boiler and cooling system－Determination of sulfite 100.0 via email in 1~3 business day abolished2005-10-14,,1994-1-1
GB/T 14419-1993 Analysis of water used in boiler and cooling system. Determination of alkalinity 260.0 via email in 1~3 business day abolished2005-10-14 ,,1994-1-1
GB/T 14417-1993 Analysis of water used in boiler and cooling system. Determination of total silica 260.0 via email in 1~3 business day superseded,2008-2-1,1994-1-1
GB/T 14425-1993 Analysis of water used in boiler and cooling system. Determination of sulfurated hydrogen. Spectrophotometry 180.0 via email in 1~3 business day abolished2005-10-14 ,,1994-1-1
GB/T 14420-1993 Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate 184.0 via email in 1~3 business day superseded,2014-12-1,1994-1-1
GB/T 14427-1993 Analysis of water used in boiler and cooling system. Determination of iron 224.0 via email in 1~3 business day superseded,2008-9-1,1994-1-1
GB/T 14423-1993 Analysis of water used in boiler and cooling system. 2-Mercaptobenzothiazole. Ultraviolet spectrophotometry 180.0 via email in 1~3 business day abolished2005-10-14 ,,1994-1-1
GB/T 13638-1992 Water level control and alarm devices for industrial boilers 220.0 via email in 1~3 business day superseded2009-02-01,2009-2-1,1993-4-1
GB/T 11943-1989 Boiler drawings 430.0 via email in 1~5 business day superseded,2008-7-1,1990-10-1
GB/T 12157-1989 Analysis of water used in boiler and cooling system-Determination for dissolved oxygen-Internal electrolysis 45.0 via email in 1~3 business day abolished2008-02-01,2008-2-1,1990-1-1
GB 10863-1989 Thermal test method for gas pass waste heat boiler 405.0 via email in 1~5 business day superseded2012-07-01 ,2012-7-1,1990-1-1
GB 12152-1989 Analysis of water used in boiler and cooling system-The determination of mineral oil-Infrared photometric method 45.0 via email in 1~3 business day superseded,2008-2-1,1990-1-1
GB 12146-1989 Analysis of water used in boiler and cooling system-Determination of ammonia-Method with phenol via email in business day superseded2005-12-01,2005-12-1,1990-1-1
GB/T 12151-1989 Analysis of water used in boiler and cooling system-The determination of turbidity(formazine turbidity) 180.0 via email in 1~3 business day superseded2005-12-01,2005-12-1,1990-1-1
GB/T 12156-1989 Analysis of water used in boiler and cooling system--Determination for sodium--Static method 180.0 via email in 1~3 business day valid,,1990-1-1
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GB/T 14418-1993 Analysis of water used in boiler and cooling system－Determination of copper 
  Issued on: 1993-04-24   Price(USD): 264.0
GB/T 14416-1993 Methods for sampling boiler steem 
  Issued on: 1993-04-24   Price(USD): 340.0
GB/T 14424-1993 Analysis of water used in boiler and cooling system－Determination of free chlorine residuals 
  Issued on: 1993-04-24   Price(USD): 264.0
GB/T 14421-1993 Analysis of water used in boiler and cooling system. Determination of polyacrylic acid. Turbidimetric method 
  Issued on: 1993-04-24   Price(USD): 180.0
GB/T 14415-1993 Analysis of water used in boiler and cooling system. Determination of solids matter 
  Issued on: 1993-04-24   Price(USD): 220.0
GB/T 14426-1993 Analysis of water used in boiler and cooling system－Determination of sulfite 
  Issued on: 1993-04-24   Price(USD): 100.0
GB/T 14419-1993 Analysis of water used in boiler and cooling system. Determination of alkalinity 
  Issued on: 1993-04-24   Price(USD): 260.0
GB/T 14417-1993 Analysis of water used in boiler and cooling system. Determination of total silica 
  Issued on: 1993-04-24   Price(USD): 260.0
GB/T 14425-1993 Analysis of water used in boiler and cooling system. Determination of sulfurated hydrogen. Spectrophotometry 
  Issued on: 1993-04-24   Price(USD): 180.0
GB/T 14420-1993 Analysis of water used in boiler and cooling system - Determination of chemical oxygen demand - Rapid method with potassium dichromate  
  Issued on: 1993-4-24   Price(USD): 184.0
GB/T 14427-1993 Analysis of water used in boiler and cooling system. Determination of iron 
  Issued on: 1993-04-24   Price(USD): 224.0
GB/T 14423-1993 Analysis of water used in boiler and cooling system. 2-Mercaptobenzothiazole. Ultraviolet spectrophotometry 
  Issued on: 1993-04-24   Price(USD): 180.0
GB/T 13638-1992 Water level control and alarm devices for industrial boilers 
  Issued on: 1992-08-29   Price(USD): 220.0
GB/T 11943-1989 Boiler drawings 
  Issued on: 1989-01-02   Price(USD): 430.0
GB/T 12157-1989 Analysis of water used in boiler and cooling system-Determination for dissolved oxygen-Internal electrolysis 
  Issued on: 1989-01-02   Price(USD): 45.0
GB 10863-1989 Thermal test method for gas pass waste heat boiler 
  Issued on: 1989-03-31   Price(USD): 405.0
GB 12152-1989 Analysis of water used in boiler and cooling system-The determination of mineral oil-Infrared photometric method 
  Issued on: 1989-01-02   Price(USD): 45.0
GB 12146-1989 Analysis of water used in boiler and cooling system-Determination of ammonia-Method with phenol 
  Issued on: 1989-01-02   Price(USD):
GB/T 12151-1989 Analysis of water used in boiler and cooling system-The determination of turbidity(formazine turbidity) 
  Issued on: 1989-01-02   Price(USD): 180.0
GB/T 12156-1989 Analysis of water used in boiler and cooling system--Determination for sodium--Static method 
  Issued on: 1989-01-02   Price(USD): 180.0
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