2025-5-18 18.97.9.172
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Code of China
Chinese National Standard List: Industrial gas and chemical gas

GB/T 14851-2025 Electronic specialty gas—Phosphine 
  Issued on: 2025-03-28   Price(USD): 210.0
GB/T 14601-2025 Electronic specialty gas—Ammonia 
  Issued on: 2025-03-28   Price(USD): 270.0
GB/T 44329-2024 Preparation of gas mixtures—Gravimetric method 
  Issued on: 2024-8-23   Price(USD): 315.0
GB/T 44332-2024 Chlorotrifluoroethene 
  Issued on: 2024-8-23   Price(USD): 315.0
GB/T 44328-2024 Heptafluoroisobutyronitrile 
  Issued on: 2024-8-23   Price(USD): 315.0
GB/T 43976-2024 Electronic gas—Tetrafluoromethane 
  Issued on: 2024-4-25   Price(USD): 255.0
GB/T 43977-2024 Electronic gas—Octafluorocyclobutane 
  Issued on: 2024-4-25   Price(USD): 255.0
GB/T 35861-2024 Gas analysis—General quality aspects and metrological traceability of calibration gas mixtures 
  Issued on: 2024-3-15   Price(USD): 315.0
GB/T 5275.1-2024 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 1:General aspects 
  Issued on: 2024-3-15   Price(USD): 435.0
T/CI 478-2024 Specification for quantitative risk analysis of supercritical carbon dioxide pipeline 
  Issued on: 2024-09-02   Price(USD): 495.0
GB/T 43361-2023 Gas analysis—Analytical methods validation for hydrogen fuel in proton exchange membrane(PEM) fuel cell applications for road vehicles 
  Issued on: 2023-11-27   Price(USD): 300.0
GB/T 43362-2023 Gas analysis—Gas chromatography with micro-cell thermal conductivity detector 
  Issued on: 2023-11-27   Price(USD): 270.0
GB/T 43306-2023 Gas analysis—Sampling guidelines 
  Issued on: 2023-11-27   Price(USD): 630.0
GB/T 43094-2023 Trans-1-chloro-3,3,3-trifluoropropene[HCFO-1233zd(E)] for industrial use  
  Issued on: 2023-09-07   Price(USD): 320.0
GB/T 42721-2023 Electronic specialty gas―Nitric oxide 
  Issued on: 2023-08-06   Price(USD): 225.0
GB/T 42720-2023 Electronic specialty gas―Hexachlorodisilane 
  Issued on: 2023-08-06   Price(USD): 255.0
GB/T 5275.6-2023 Gas analysis―Preparation of calibration gas mixtures using dynamic methods―Part 6:Critical flow orifices 
  Issued on: 2023-03-17   Price(USD): 435.0
GB/T 5275.2-2022 Gas analysis—Preparation of calibration gas mixtures using dynamic methods—Part 2: Piston pumps 
  Issued on: 2022-12-30   Price(USD): 435.0
T/CIECCPA 022-2023 Technical specification for carbon dioxide products 
  Issued on: 2023-06-08   Price(USD):
GB/T 41757-2022 Hexafluoropropylene oxide 
  Issued on: 2022-10-12   Price(USD): 225.0
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