Phytic acid and Sodium phytic acid were analyzed using 2 columns of Asahipak GS-220 HQ. Phytic acid was eluted near the exclusion limit of GS-220 HQ.
Sample: 20μL
A) Phytic acid sodium salt
B) Phytic acid
1. Phytic acid
2. Na+
3. HClO4– vacant peak
Columns : Shodex Asahipak GS-220 HQ (7.5mmI.D. x 300mm) x 2 Eluent : 10mM HClO4 aq. Flow rate : 0.6mL/min Detector : Shodex RI Column temp. : 40°C