Home / Standards / GB/T 11199-2024 GB/T 11199-2024 Active High-purity sodium hydroxide 高纯氢氧化钠 Standard Type GBT ICS 71.060.40 CCS G11 Status 现行 Issue Date 2024-03-15 Implementation 2024-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A