Home / Standards / GB/T 5275.4-2014 GB/T 5275.4-2014 Active Gas analysis—Preparation of calibration gas mixtures using dynamic volumetric methods—Part 4: Continuous syringe injection method 气体分析 动态体积法制备校准用混合气体 第4部分：连续注射法 Standard Type GBT ICS 71.040.40 CCS G86 Status 现行 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A