Home / Standards / GB/T 5542-2025 GB/T 5542-2025 Active Dyestuffs—Determination of large particles—Filter method of single layer filter cloth 染料 大颗粒的测定 单层滤布过滤法 Standard Type GBT ICS 71.100.01;87.060.10 CCS G55 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A