Carbonate and Other Anions (2) (NI-424)

IC NI-424 has high theoretical plate number (more than 5,000). Carbonate and other anions can be separated well with NI-424.

s1211
Sample : 50micro-L
1. 40.0mg/L HCO₃^–
2. 4.0mg/L H₂PO₄^–
3. 0.3mg/L F^–
4. 0.5mg/L Cl^–
5. 1.2mg/L NO₂^–
6. 2.0mg/L Br^–
7. 2.0mg/L NO₃^–
8. 2.0mg/L SO₄^2-


 Column : Shodex IC NI-424 (4.6mmID*100mm)
 Eluent : ^*18mM 4-Hydroxybenzoic acid + 2.8mM Bis-Tris 
 + 2mM Phenylboronic acid + 0.005mM ^*2CyDTA(pH4.2)
 Flow rate : 1.0mL/min
 Detector : Shodex CD
 Column temp. : 40°C

^*1: The prescribed pH can be obtained by mixing the reagents in the composition described here.
^*2: CyDTA: trans-1,2-Diaminocyclohexane-N,N,N’,N’-tetraacetic acid