High Sensitive Analysis of Anions (SI-90 4E)

Please use this column with suppressor type ion chromatography system.

Low concentration anion standards were analyzed using IC SI-90 4E (a column for anions analysis).


Sample : 100micro-L
1. F^- 2micro-g/L
2. Cl^- 3micro-g/L
3. NO₂^- 5micro-g/L
4. Br^- 10micro-g/L
5. NO₃^- 10micro-g/L
6. HCO₃^- (system peak)
7. PO₄^3- 15micro-g/L
8. SO₄^2- 15micro-g/L

Column       : Shodex IC SI-90 4E (4.0mmID*250mm)
Eluent       : 1mM Na2CO3 + 4mM NaHCO3 aq.
Flow rate    : 1.0mL/min
Detector     : Suppressed conductivity
Column temp. : 25deg-C