The separation of acetone,ethanol,benzene,chloroform,toluene was performed on a 10% PEG-20M Chromosorb-W-AW-DMCS column.

• 对样品中残留丙酮、乙醇、苯、氯仿、甲苯的分离选用10%25PEG-20M chromosorb-W-AW-DMCS公谱柱。