Effect of Na2CO3 Concentartion on Elution Time
Please use this column with suppressor type ion chromatography system.
Effect of Na
2CO
3 concentartion
on elution time when IC
SI-90 4E (a column for anions
analysis) is used for the analysis of anions is shown here.

Sample :
1. Water Dip
2.
F-
3.
Cl-
4.
NO2-
5.
Br-
6.
NO3-
7.
PO43-
8.
SO42-
Column : Shodex IC SI-90 4E (4.0mmID*250mm)
Eluent : Na2CO3 + 10.0mM NaHCO3 aq.
Flow rate : 2.0mL/min
Detector : Shodex CD-5 and Suppressor module
Column temp. : 25deg-C