2026-4-2 216.73.216.113
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
DB37/T 5097-2021 via email in business day valid,,2021-7-1
GB 6520.8-1986 Methods for chemical analysis of silicon bronze and silicon brass--The silver diethyl dithiocarbamate photometric method for the determination of arsenic content 45.0 via email in 1~3 business day superseded,1997-4-1,1987-5-1
GB 5122.14-1985 Methods for chemical analysis of brass--The diethyldithiocarbamate photometric method for the determination of arsenic content 60.0 via email in 1~3 business day superseded,1997-4-1,
GB 5121.7-1985 Methods for chemical analysis of copper--The silver diethyldithiocarbamate photometric method for the determination of arsenic content 60.0 via email in 1~3 business day superseded,1997-4-1,1986-2-1
GB 7178.8-1987 The operating standard for railway shunting--Railway shunting the operating standard for taking out and placing in wagons 45.0 via email in 1~3 business day superseded,1996-8-1,1987-7-1
GB 5121.8-1985 Methods for chemical analysis of copper--The pulse heating-coulometric method for the determination of oxygen content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 4151-1984 Cerium nitrate 30.0 via email in 1~3 business day valid,,1985-1-1
GB 4934-1985 Strain-controlled direct shear apparatus 60.0 via email in 1~3 business day superseded,1997-1-1,1985-9-1
GB 6344-1986 Polymeric materials, cellular flexible--Determination of tensile strength and elongation at break 45.0 via email in 1~3 business day superseded,1996-12-1,1987-3-1
GB 7178.5-1987 The operating standard for railway shunting--Railway shunting the operating standard for the shunting neck 90.0 via email in 1~3 business day superseded,1996-8-1,1987-7-1
GB 7178.7-1987 The operating standard for railway shunting--Railway shunting the operating standard for the train detaching and attaching 60.0 via email in 1~3 business day superseded,1996-8-1,1987-7-1
GB 6520.1-1986 Methods for chemical analysis of silicon bronze and silicon brass--The 1, 10 phenanthroline photometric method for the determination of iron content 45.0 via email in 1~3 business day superseded,1997-4-1,1987-5-1
GB 8550.10-1987 Copper-nickel alloys--Determination of lead content--Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.11-1987 Copper-nickel alloys--Determination of bismuth content--Potassium iodide-brucine spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.1-1987 Copper-nickel alloys--Determination of copper content--Electrolytic-flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.16-1987 Copper-nickel alloys--Determination of iron content--1, 10-phenanthroline spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.13-1987 Copper-nickel alloys--Determination of tin content--Phenylfluorone-cetyl trimethyl ammonium bromide ternary complex spectrophotometric method 30.0 via email in 1~3 business day valid,,1988-12-1
GB 8550.12-1987 Copper-nickel alloys--Determination of phosphorus content--Extraction-molybdenum blue spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.14-1987 Copper-nickel alloys--Determination of antimony content--Crystal violet spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 8550.17-1987 Copper-nickel alloys--Determination of manganese content--Potassium periodate spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
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DB37/T 5097-2021  
  Issued on: 2021-04-16   Price(USD):
GB 6520.8-1986 Methods for chemical analysis of silicon bronze and silicon brass--The silver diethyl dithiocarbamate photometric method for the determination of arsenic content 
  Issued on:   Price(USD): 45.0
GB 5122.14-1985 Methods for chemical analysis of brass--The diethyldithiocarbamate photometric method for the determination of arsenic content 
  Issued on:   Price(USD): 60.0
GB 5121.7-1985 Methods for chemical analysis of copper--The silver diethyldithiocarbamate photometric method for the determination of arsenic content 
  Issued on:   Price(USD): 60.0
GB 7178.8-1987 The operating standard for railway shunting--Railway shunting the operating standard for taking out and placing in wagons 
  Issued on:   Price(USD): 45.0
GB 5121.8-1985 Methods for chemical analysis of copper--The pulse heating-coulometric method for the determination of oxygen content 
  Issued on:   Price(USD): 60.0
GB 4151-1984 Cerium nitrate 
  Issued on:   Price(USD): 30.0
GB 4934-1985 Strain-controlled direct shear apparatus 
  Issued on:   Price(USD): 60.0
GB 6344-1986 Polymeric materials, cellular flexible--Determination of tensile strength and elongation at break 
  Issued on:   Price(USD): 45.0
GB 7178.5-1987 The operating standard for railway shunting--Railway shunting the operating standard for the shunting neck 
  Issued on:   Price(USD): 90.0
GB 7178.7-1987 The operating standard for railway shunting--Railway shunting the operating standard for the train detaching and attaching 
  Issued on:   Price(USD): 60.0
GB 6520.1-1986 Methods for chemical analysis of silicon bronze and silicon brass--The 1, 10 phenanthroline photometric method for the determination of iron content 
  Issued on:   Price(USD): 45.0
GB 8550.10-1987 Copper-nickel alloys--Determination of lead content--Flame atomic absorption spectrophotometric method 
  Issued on:   Price(USD): 60.0
GB 8550.11-1987 Copper-nickel alloys--Determination of bismuth content--Potassium iodide-brucine spectrophotometric method 
  Issued on:   Price(USD): 45.0
GB 8550.1-1987 Copper-nickel alloys--Determination of copper content--Electrolytic-flame atomic absorption spectrophotometric method 
  Issued on:   Price(USD): 60.0
GB 8550.16-1987 Copper-nickel alloys--Determination of iron content--1, 10-phenanthroline spectrophotometric method 
  Issued on:   Price(USD): 45.0
GB 8550.13-1987 Copper-nickel alloys--Determination of tin content--Phenylfluorone-cetyl trimethyl ammonium bromide ternary complex spectrophotometric method 
  Issued on:   Price(USD): 30.0
GB 8550.12-1987 Copper-nickel alloys--Determination of phosphorus content--Extraction-molybdenum blue spectrophotometric method 
  Issued on:   Price(USD): 45.0
GB 8550.14-1987 Copper-nickel alloys--Determination of antimony content--Crystal violet spectrophotometric method 
  Issued on:   Price(USD): 45.0
GB 8550.17-1987 Copper-nickel alloys--Determination of manganese content--Potassium periodate spectrophotometric method 
  Issued on:   Price(USD): 45.0
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