Home / Standards / GB/T 1919-2023 GB/T 1919-2023 Active Potassium hydroxide for industrial use 工业氢氧化钾 Standard Type GBT ICS 71.060.40 CCS G11 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A