Home / Standards / GB/T 21888-2023 GB/T 21888-2023 Active C.I. Acid red 131(Acid brilliant red P-9B 150%) C.I.酸性红131(酸性艳红P-9B 150%) Standard Type GBT ICS 71.100.01;87.060.10 CCS G57 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A