By J.VENKATAKRISHNAN on Sunday, November 16, 2003 - 12:29 am:
why phosphate salts are not recomended for LC-MS?
(instead acetate, formate salts are used)
By Uwe Neue on Sunday, November 16, 2003 - 07:59 am:
They are not volatile, and will clog up your MS. A possible exception is ammonium phosphate at pH 7, we have been happy working with this at low concentrations for extended periods of time.