2025-12-13 10.2.82.121
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 8002.4-1987 Methods for chemical analysis of tin bronze--The polarographic method for the determination of lead content 60.0 via email in 1~3 business day superseded,1997-4-1,1988-3-1
GB 8550.15-1987 Copper-nickel alloys--Determination of arsenic content--Silver diethyl-dithiocarbamate spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB/T 8151.26-2023 Methods for chemical analysis of zinc concentrates―Part 26:Determination of silver content―Acid dissolution and flame atomic absorption spectrometric method 255.0 via email in 1~3 business day valid,,2024-3-1
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diethyl dithiocarbamate photometric method for the determination of arsenic content 45.0 via email in 1~3 business day superseded,1997-4-1,1987-5-1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diethyldithiocarbamate photometric method for the determination of arsenic content 60.0 via email in 1~3 business day superseded,1997-4-1,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diethyldithiocarbamate photometric method for the determination of arsenic content 60.0 via email in 1~3 business day superseded,1997-4-1,1986-2-1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 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 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1, 10 phenanthroline photometric method for the determination of iron content 45.0 via email in 1~3 business day superseded,1997-4-1,1987-5-1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of lead content--Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1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of bismuth content--Potassium iodide-brucine spectrophotometric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1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of copper content--Electrolytic-flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1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
GB 8550.18-1987 Copper-nickel alloys--Determination of sulfur content--Potentiometric titration method after distillation 60.0 via email in 1~3 business day valid,,1988-12-1
GB 8550.19-1987 Copper-nickel alloys--Determination of carbon content--Infra-red absorption method after high frequency induction furnace combustion 45.0 via email in 1~3 business day valid,,1988-12-1
GB 8550.4-1987 Copper-nickel alloys--Determination of iron content--Potassium dichromate titrimetric method 45.0 via email in 1~3 business day superseded,1997-4-1,1988-12-1
GB 5122.3-1985 Methods for chemical analysis of brass--The dichromate titrimetric method for the determination of iron content 45.0 via email in 1~3 business day superseded,1997-4-1,
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GB 8002.4-1987 Methods for chemical analysis of tin bronze--The polarographic method for the determination of lead content 
  Issued on:   Price(USD): 60.0
GB 8550.15-1987 Copper-nickel alloys--Determination of arsenic content--Silver diethyl-dithiocarbamate spectrophotometric method 
  Issued on:   Price(USD): 45.0
GB/T 8151.26-2023 Methods for chemical analysis of zinc concentrates―Part 26:Determination of silver content―Acid dissolution and flame atomic absorption spectrometric method 
  Issued on: 2023-08-06   Price(USD): 255.0
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 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 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
GB 8550.18-1987 Copper-nickel alloys--Determination of sulfur content--Potentiometric titration method after distillation 
  Issued on:   Price(USD): 60.0
GB 8550.19-1987 Copper-nickel alloys--Determination of carbon content--Infra-red absorption method after high frequency induction furnace combustion 
  Issued on:   Price(USD): 45.0
GB 8550.4-1987 Copper-nickel alloys--Determination of iron content--Potassium dichromate titrimetric method 
  Issued on:   Price(USD): 45.0
GB 5122.3-1985 Methods for chemical analysis of brass--The dichromate titrimetric method for the determination of iron content 
  Issued on:   Price(USD): 45.0
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