Please use this column with suppressor type ion chromatography system.

High resolution ion chromatography column, IC SI-52 4E was used for the quantification of several oxyhalides and organic acids. Marlic acid and succinic acid will coelute with malonic acid under this condition.

Sample : 50 μL
1. F^- 1 mg/L
2. Acetic acid 0.5 mg/L
3. Propionic acid 0.8 mg/L
4. Formic acid 0.1 mg/L
5. ClO₂^- 1 mg/L
6. BrO₃^- 1 mg/L
7. Cl^- 1 mg/L
8. NO₂^- 1 mg/L
9. Br^- 1 mg/L
10. ClO₃^- 1 mg/L
11. NO₃^- 1 mg/L
12. HPO₄^2- 1 mg/L
13. SO₄^2- 1 mg/L
14. Malonic acid 0.5 mg/L

Column       : Shodex IC SI-52 4E (4.0 mm I.D. x 250 mm)
Eluent       : 3.6 mM Na2CO3 aq.
Flow rate    : 0.8 mL/min
Detector     : Suppressed conductivity
Column temp. : 45 °C