第19楼2006/10/20
There is a easy way, if you have a vacuum pump. I just removed DMSO from NMR samples in less than half an hour several days ago.
Connect the NMR tube directly to the vacuum line. Use a solvent trap if you have one. Heat the tube at solvent interface with a heat gun. The rate of DMSO evaporation depends on the vacuum and temperature.
Good luck!
BTY, I am new to this BBS, and need some scores (Ji Feng) to download some files. Can someone lend or give me some scores (Ji Feng)? I really appreciate it.