Home / Standards / GB/T 44238-2024 GB/T 44238-2024 Active Hydrogen for proton exchange membrane fuel cell vehicles—Determination of helium, argon, nitrogen and total hydrocarbons—Gas chromatography method 质子交换膜燃料电池汽车用氢气 氦、氩、氮和烃类的测定 气相色谱法 Standard Type GBT ICS 27.010 CCS F19 Status 现行 Issue Date 2024-07-24 Implementation 2024-11-01 Responsible Dept 国家标准委 Drafting Unit N/A