Home / Standards / GB/T 27894.3 GB/T 27894.3 Active Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 3: Precision and bias 天然气 用气相色谱法测定组成和计算相关不确定度 第3部分:精密度和偏差 Standard Type GBT ICS 75.060 CCS E24 Status 现行 Issue Date 2023-03-17 Implementation 2023-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委