Anion Standards and organic acids (2) (SI-90 4E)

Anion standards and organic acids were analyzed using IC SI-90 4E (a column for anions analysis).

Sample : 20micro-L

1. F^– 2mg/L

2. Acetic acid 10mg/L

3. Formic acid 2mg/L

4. Methacrylic acid 10mg/L

5. Cl^– 3mg/L

6. NO₂^– 5mg/L

7. Br^– 10mg/L

8. NO₃^– 10mg/L

9. PO₄^3- 15mg/L

10. SO₄^2- 15mg/L

11. Oxalic acid 15mg/L

 
 Column : Shodex IC SI-90 4E (4.0mmID*250mm)
 Eluent : 12mM NaHCO3 aq.
 Flow rate : 1.0mL/min
 Detector : Suppressed conductivity 
 Column temp. : 25°C