Arsenic Acid and Arsenious Acid

Arsenic acid and arsenious acid also can be separated by ion exclusion chromatography using RSpak KC-811.


Sample : 100micro-L
1. Arsenate, AsO₄^3- (20mg/L)
2. Arsenite, AsO₂^- (5mg/L)

Column       : Shodex RSpak KC-811 (8.0mmID*300mm)
Eluent       : 12mM H3PO4 aq.
Flow rate    : 1.0mL/min
Detector     : UV(195nm)
Column temp. : 40deg-C