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 : Shodex CD
 Column temp. : 40°C