PMWCNTs and Carbopack B m odified with 5%(w/w) Carbowax 20M were also used as gas chromatographic col umn packing materials to separate ketones, ethers, esters, alcohols and organic acids for comparison of their separation properties.

• 分别在PMWCNTs和CarbopackB上涂渍 5%25 (w/w)的Carbowax 2 0M ；填装成气相色谱填充柱后 ；比较它们分离醇、酮、醚、酯、有机酸类的性能 .