By Kaoula on Saturday, August 21, 2004 - 07:57 am:

Hi all:
I have an interference between the folic acid and iron hydroxide poly maltose when I use HPLC method with this conditions:
Column: L1 (4.6 x 25)
Wave length: 280 nm
Mobil Phase:
KH2PO4 : Tetra butyl ammonium hydroxide :
methanol: H3PO4
pH of Mobil phase is 7.2.

please help me if you have a mobile phase suitable for analysis of folic acid with iron hydroxide poly maltose.

Thank you
Kaoula