Home / Standards / GB/T 41707-2022 GB/T 41707-2022 Active Copper-based adsorbents for removing arsenic at room temperature 常温铜系脱砷剂 Standard Type GBT ICS 71.100.99 CCS G 75 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