Home / Standards / GB/T 28726-2025 GB/T 28726-2025 Active Gas analysis—Gas chromatograph with helium ionization detector 气体分析 氦离子化气相色谱法 Standard Type GBT ICS 71.100.20 CCS G86 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A