Low Concentration Anion Standards (3) (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). k' is the capacity factor of F^- and water dip.

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. PO43- 15micro-g/L 7. SO42- 15micro-g/L

Column       : Shodex IC SI-90 4E (4.0mmID*250mm)
Eluent       : Na2CO3 + NaHCO3 aq.
Flow rate    : 1.0mL/min
Detector     : Shodex CD-5 and Suppressor module
Column temp. : 25deg-C