Chelating Reagents (2) (NI-424)

EDTA and NTA were separated with the ion chromatography column NI-424.The calibration curve derived from the chromatograms for the concentrations 20mg/L,50mg/L,100mg/L showed a good linearity.


Sample : 100micro-L
1. Ethylenediaminetetraacetic acid, EDTA 20mg/L
2. Nitrilotriacetic acid, NTA, 20mg/L

Column       : Shodex IC NI-424 (4.6mmID*100mm)
Eluent       : 2mM H2SO4 aq.
Flow rate    : 1.0mL/min
Detector     : UV(210nm)
Column temp. : 40deg-C