Home / Standards / GB/T 6488-2022 GB/T 6488-2022 Active Liquid chemicals—Determination of refractive index 液体化工产品 折光率的测定 Standard Type GBT ICS 71.040.50 CCS G04 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A