Rapid Analysis of Oxyhalides and Anions using SI-35 4D

The analytical performance of Shodex IC SI-35 4D (a column for rapid oxyhalides analysis) was compared to the existing oxyhalides-analysis column, SI-52 4E.
The analysis time required by SI-35 4D is only one half of SI-52 4E‘s analysis time.

Sample :

(SI-35 4D) 20micro-L

(SI-52 4E) 50micro-L

1. F^– (2mg/L)

2. ClO₂^– (1mg/L)

3. BrO₃^– (1mg/L)

4. Cl^– (10mg/L)

5. NO₂^– (5mg/L)

6. Br^– (10mg/L)

7. ClO₃^– (1mg/L)

8. NO₃^– (30mg/L)

9. PO₄^3- (15mg/L)

10. SO₄^2- (40mg/L)

 Column : (Left) Shodex IC SI-35 4D (4.0mmID*150mm)
 (Right) Shodex IC SI-52 4E (4.0mmID*250mm)
 Eluent : 3.6mM Na2CO3 aq.
 Flow rate : (Left) 0.6mL/min
 (Right) 0.8mL/min
 Detector : Suppressed conductivity
 Column temp. : 45°C