Milk

Anions in milk were analyzed using IC I-524A. Milk contains a considerable amount of proteins and fats, and therefore should be pretreated. 100-fold dilution with pure water was made and then treated by an solid phase extraction cartridge for reversed phase chromatography.


Sample : Milk
1. Cl-
2. HPO42-
3. SO42-

Column       : Shodex IC I-524A (4.6mmID*100mm)
Eluent       : 1.5mM p-Hydoxybenzoic acid(pH7.8 adjusted with Diethylethanolamine)+ 10% CH3OH
Flow rate    : 1.2mL/min
Detector     : Shodex CD
Column temp. : 40deg-C