Home / Standards / GB/T 27894.1 GB/T 27894.1 Active Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1: General guidelines and calculation of composition 天然气 用气相色谱法测定组成和计算相关不确定度 第1部分：总导则和组成计算 Standard Type GBT ICS 75.060 CCS E24 Status 现行 Issue Date 2020-09-29 Implementation 2021-04-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委