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. SO42- 10mg/L
4. S2O32- 50mg/L
5. I– 50mg/L
6. SCN– 50mg/L
7. ClO4– 50mg/L
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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