Sample : River water (Water), 10micro-L
1. H2PO4–
2. F–
3. Cl–
4. NO2–
5. Br–
6. NO3–
7. SO42-
Column : Shodex IC NI-424 (4.6mmID*100mm) Eluent : 8mM 4-Hydroxybenzoic acid + 2.8mM Bis-Tris + 2mM Phenylboronic acid + 0.005mM *CyDTA aq. Flow rate : 1.0mL/min Detector : Shodex CD Column temp. : 40°C
* CyDTA: trans-1,2-Diaminocyclohexane-N,N,N’,N’-tetraacetic acid