Home / Standards / GB 1256-2008 GB 1256-2008 Active Working chemical - Arsenic trioxide 工作基准试剂 三氧化二砷 Standard Type GB ICS 71.040.30 CCS G61 Status 现行 Issue Date 2008-06-18 Implementation 2009-06-01 Responsible Dept 工业和信息化部 Drafting Unit N/A