2025-12-5 10.1.6.65
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 10267.4-2025 Methods for analysis of calcium metal—Part 4:Determination of aluminum by 8-hydroxyquinoline-trichloromethane extraction spectrophotometry 165.0 via email in 1~3 business day to be valid,,2026-5-1
GB/T 10267.1-2025 Methods for analysis of calcium metal - Part 1: Determination of chlorine by chloride selective electorode method 120.0 via email in 1~3 business day to be valid,,2026-2-1
GB/T 10267.2-2025 Methods for analysis of calcium metal - Part 2: Determination of micro-amounts of silicon by spectrophotometry 120.0 via email in 1~3 business day to be valid,,2026-2-1
GB/T 13748.24-2025 Methods for chemical analysis of magnesium and magnesium alloys─Part 24: Determination of trace impurity elements contents─Glow discharge mass spectrometry 210.0 via email in 1~3 business day valid,,2025-8-1
GB/T 13748.23-2024 Methods for chemical analysis of magnesium and magnesium alloys—Part 23: Determination of elements content—Wavelength dispersive X-ray fluorescence spectrometric method 210.0 via email in 1~3 business day valid,,2025-5-1
GB/T 13748.20-2024 Methods for chemical analysis of magnesium and magnesium alloys—Part 20：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method 315.0 via email in 1~5 business day valid,,2024-11-1
T/HNNMIA 52-2023 Methods for chemical analysis of aluminum ash-Determination of aluminum content-Gas volumetric method via email in business day valid,,2023-12-31
GB/T 6609.2-2022 Chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 ℃ and 1000 ℃ 195.0 via email in 1~3 business day valid,,2022-10-1
GB/T 6609.30-2022 Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method 195.0 via email in 1~3 business day valid,,2022-10-1
GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire 105.0 via email in 1~3 business day valid,,2022-3-1
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
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GB/T 10267.4-2025 Methods for analysis of calcium metal—Part 4:Determination of aluminum by 8-hydroxyquinoline-trichloromethane extraction spectrophotometry 
  Issued on: 2025-10-05   Price(USD): 165.0
GB/T 10267.1-2025 Methods for analysis of calcium metal - Part 1: Determination of chlorine by chloride selective electorode method 
  Issued on: 2025-8-1   Price(USD): 120.0
GB/T 10267.2-2025 Methods for analysis of calcium metal - Part 2: Determination of micro-amounts of silicon by spectrophotometry 
  Issued on: 2025-8-1   Price(USD): 120.0
GB/T 13748.24-2025 Methods for chemical analysis of magnesium and magnesium alloys─Part 24: Determination of trace impurity elements contents─Glow discharge mass spectrometry 
  Issued on: 2025-01-24   Price(USD): 210.0
GB/T 13748.23-2024 Methods for chemical analysis of magnesium and magnesium alloys—Part 23: Determination of elements content—Wavelength dispersive X-ray fluorescence spectrometric method 
  Issued on: 2024-10-26   Price(USD): 210.0
GB/T 13748.20-2024 Methods for chemical analysis of magnesium and magnesium alloys—Part 20：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method 
  Issued on: 2024-4-25   Price(USD): 315.0
T/HNNMIA 52-2023 Methods for chemical analysis of aluminum ash-Determination of aluminum content-Gas volumetric method 
  Issued on: 2023-12-04   Price(USD):
GB/T 6609.2-2022 Chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 ℃ and 1000 ℃ 
  Issued on: 2022-03-09   Price(USD): 195.0
GB/T 6609.30-2022 Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method 
  Issued on: 2022-03-09   Price(USD): 195.0
GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire  
  Issued on: 2021-08-20   Price(USD): 105.0
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
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