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

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IC NI-424 (an anion analysis column for non-suppressor method) has high theoretical plate number (more than 5,000). Carbonate and other anions can be separated well with NI-424.


Sample : 50μL
1. HCO3- 100mg/L
2. H2PO4- 10mg/L
3. F- 1mg/L
4. Cl- 1mg/L
5. NO2- 2mg/L
6. Br- 2mg/L
7. NO3- 2mg/L
8. SO42- 2mg/L


Column       : Shodex IC NI-424 (4.6mmI.D. x 100mm)
Eluent       : 8mM 4-Hydroxybenzoic acid + 2.8mM Bis-Tris + 2mM Phenylboronic acid 
               + 0.005mM *CyDTA
Flow rate    : 1.0mL/min
Detector     : Non-suppressed conductivity
Column temp. : 40°C
* CyDTA: trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid