2025-12-17 216.73.216.89
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 20975.15-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.34-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 34:Determination of sodium content—Flame atomic absorption spectrometric method 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.13-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.8-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content 150.0 via email in 1~3 business day valid,,2021-10-1
GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content 165.0 via email in 1~3 business day valid,,2021-8-1
GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content 165.0 via email in 1~3 business day valid,,2021-8-1
GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content 165.0 via email in 1~3 business day valid,,2021-8-1
GB/T 20975.37-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content 165.0 via email in 1~3 business day valid,,2021-6-1
GB/T 20975.36-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry 100.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method 100.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method 225.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content 225.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content 225.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content 165.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5：Determination of silicon content 165.0 via email in 1~3 business day valid,,2021-4-1
GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content 165.0 via email in 1~3 business day valid,,2021-4-1
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GB/T 20975.15-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 20975.34-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 34:Determination of sodium content—Flame atomic absorption spectrometric method 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 20975.13-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 20975.8-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content 
  Issued on: 2020-11-19   Price(USD): 150.0
GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content 
  Issued on: 2020-09-29   Price(USD): 165.0
GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content 
  Issued on: 2020-09-29   Price(USD): 165.0
GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content 
  Issued on: 2020-09-29   Price(USD): 165.0
GB/T 20975.37-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content 
  Issued on: 2020-07-21   Price(USD): 165.0
GB/T 20975.36-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry  
  Issued on: 2020-06-02   Price(USD): 100.0
GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method  
  Issued on: 2020-06-02   Price(USD): 100.0
GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method  
  Issued on: 2020-06-02   Price(USD): 225.0
GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content  
  Issued on: 2020-06-02   Price(USD): 225.0
GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content  
  Issued on: 2020-06-02   Price(USD): 225.0
GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content  
  Issued on: 2020-06-02   Price(USD): 165.0
GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5：Determination of silicon content  
  Issued on: 2020-06-02   Price(USD): 165.0
GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content  
  Issued on: 2020-06-02   Price(USD): 165.0
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