Home / Standards / GB/T 17674-2021 GB/T 17674-2021 Active Determination of nitrogen in crude oil—Boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 Standard Type GBT ICS 75.040 CCS E21 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 国家标准委 Drafting Unit N/A