River Water (3) (NI-424)

Seven kinds of anions were detected using IC NI-424 in river water.

Sample : River water (Water), 10micro-L

1. H₂PO₄^–

2. F^–

3. Cl^–

4. NO₂^–

5. Br^–

6. NO₃^–

7. SO₄^2-

 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