Sulfate and Sulfite (I-524A)

This chromatogram shows a data of analysis
of standard anions using IC
I-524A
with an alkaline eluent. When the pH of the eluent is higher than 7.0, 10%
methanol should be added to maintain the durability of the packing material.

Sample : 10mg/L each, 100µL

1. SO₄^2-

2. SO₃^2-

3. S₂O₃^2-

4. SCN^–

 Column : Shodex IC I-524A (4.6mmID*100mm)
 Eluent : 0.25mM p-Hydroxybenzoic acid + 1.2mM N,N-Diethylethanolamine + 10% CH3OH
 Flow rate : 1.5mL/min
 Detector : Shodex CD
 Column temp. : 50°C