2024-11-21 18.118.119.77
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Code of China
Chinese National Standard List: Industrial gas and chemical gas

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
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
GB/T 41757-2022 Hexafluoropropylene oxide 
  Issued on: 2022-10-12   Price(USD): 225.0
GB/T 41328-2022 Biogas-based natural gas  
  Issued on: 2022-03-09   Price(USD): 120.0
GB/T 41326-2022 Hexafluorobutadiene 
  Issued on: 2022-03-09   Price(USD): 255.0
GB/T 40789-2021 Gas analysis—Online automated measuring systems for content of carbon monoxide,carbon dioxide and oxygen—Determination of performance characteristics 
  Issued on: 2021-10-11   Price(USD): 750.0
GB/T 23938-2021 High purity carbon dioxide  
  Issued on: 2021-08-20   Price(USD): 255.0
GB/T 21287-2021 Electronic specialty gas—Nitrogen trifluoride 
  Issued on: 2021-10-11   Price(USD): 200.0
GB/T 39708-2020 Rhodium（Ⅲ） sulfate 
  Issued on: 2020-12-14   Price(USD): 165.0
GB/T 28125.2-2020 Gas analysis—Determination of hazardous materials in air separation process—Part 2:Determination of mineral oil 
  Issued on: 2020-11-19   Price(USD): 150.0
GB/T 38677-2020 Gas analysis—Measurement procedure and result—Technical requirements for calibration 
  Issued on: 2020-03-31   Price(USD): 130.0
GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy  
  Issued on: 2019-12-31   Price(USD): 90.0
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