Dynamic Range of Column

Anion standards were analyzed using IC I-524A. This figure shows the change in dynamic range of the column with the peak height. There is a linearity in the 0.1 to 10mg/L range for F^- and in the 0.1 to 100mg/L range for SO₄^2- when the injection volume is 100micro-L.


Sample :
F^-
SO₄^2-

Column       : Shodex IC I-524A (4.6mmID*100mm)
Eluent       : 2.5mM Phthalic acid(pH4.0 adjusted by Tris(hydroxymethyl)aminomethane)
Flow rate    : 1.2mL/min
Detector     : Non-suppressed coductivity
Column temp. : 40deg-C