ZH
RU
ES
gas purity
gas purity, Total:11 items.
In the international standard classification, gas purity involves: Medical equipment, Test conditions and procedures in general, Optics and optical measurements, Quality, Air quality, Products of the chemical industry.
Standard Association of Australia （SAA）, gas purity
- AS 2568:1991 Medical gases - Purity of compressed medical breathing air
Group Standards of the People's Republic of China, gas purity
- T/SBX 041-2021 Determination of Purity of Tricyclic Alkyne Liquid Crystal Monomer by Gas Chromatography
- T/SBX 044-2021 Determination of Purity of Terphenyl Liquid Crystal Monomers by Gas Chromatography
- T/SBX 070-2022 Determination of Purity of Alkyl Biphenyl Liquid Crystal Monomers by Gas Chromatography
- T/SBX 042-2021 Determination of Purity of Bicyclohexylbiphenyl Liquid Crystal Monomers by Gas Chromatography
- T/SBX 069-2022 Determination of Purity of Alkylcyclohexylbiphenyl Liquid Crystal Monomers by Gas Chromatography
- T/SBX 043-2021 Determination of Purity of Dicyclohexyl Phenyl Liquid Crystal Monomers by Gas Chromatography
- T/SBX 038-2020 Determination of Purity of 3,5-Difluoro-4-cyanophenol Ester Liquid Crystal Monomer by Gas Chromatography
- T/SBX 045-2021 Determination of Purity of Phenol Alkylcyclohexylcarboxylate Liquid Crystal Monomers by Gas Chromatography
Hebei Provincial Standard of the People's Republic of China, gas purity
- DB13/T 5222-2020 Determination of Purity of Nematic Thermotropic Liquid Crystal Monomer by Gas Chromatography
RU-GOST R, gas purity