Home / Standards / GB 10730-1989 GB 10730-1989 Abolished Primary chemical--Potassium hydrogen phthalate 第一基准试剂(容量) 邻苯二甲酸氢钾 Standard Type GB ICS 71.040.30 CCS G61 Status 废止 Issue Date 1989-03-31 Implementation 1989-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A