Home / Standards / GB/T 7602.4-2017 GB/T 7602.4-2017 Active Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method 变压器油、涡轮机油中T501抗氧化剂含量测定法 第4部分:气质联用法 Standard Type GBT ICS 75.100;29.040.10 CCS E38 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A