River Water (3) (NI-424)

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


Sample : 5-fold diluted 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     : Non-suppressed coductivity
Column temp. : 40deg-C
* CyDTA: trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid