What's the best wash solvent for cleaning the syringe used to inject BSTFA+TMCS in a GC-MS?

I need the help because I break 6 syringes in one month. I use hexane, ethyl acetate and ethanol for cleaning, but they don't resolve my problem. The plunger of the syringe gets stuck when I...

20 January 2015 6,000 11 View