By James on Monday, August 23, 2004 - 04:18 am:

Hi, everybody

I have been running erythromycin samples in LC/MS. Now I am picking up erythromycin in the blank (50:50 Acetonitrile:Water) Running the system with or without column does not make any difference, I still pick it up.So, how can I get rid of it from the system?

James