Home / Standards / GB 12593-1990 GB 12593-1990 Abolished Working chemical--Ethylenediaminetetraacetic acid disodium salt 工作基准试剂(容量) 乙二胺四乙酸二钠 Standard Type GB ICS 71.040.30 CCS G61 Status 废止 Issue Date 1990-12-18 Implementation 1991-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A