Analysis of Hydrophobic Anions (I-524A)

Analysis of Hydrophobic Anions (I-524A)

Four hydrophobic anions were analyzed using an anion analysis column for non-suppressor method,
IC I-524A.
The method optimized here is able to analyze hydrophobic anions without the interference of standard anions.

Sample : 20?L

1. Cl^– 5mg/L

2. NO₃^– 10mg/L

3. SO₄^2- 10mg/L

4. S₂O₃^2- 50mg/L

5. I^– 50mg/L

6. SCN^– 50mg/L

7. ClO₄^– 50mg/L

Column : Shodex IC I-524A (4.6mmI.D. x 100mm)
Eluent : 2.5mM Phthalic acid + 3.3mM Tris(hydroxymethyl)aminomethane aq.
Flow rate : 1.2mL/min
Detector : Non-suppressed conductivity
Column temp. : 40°C