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Abstract
A simple post column reaction detection system for fluoride is presented using the decolorization of the zirconyl xylenol orange complex. A 3[sgrave] detection limit of 0.05 μg F− mL−1 was achieved with a linear calibration function up to 10 μg F− mL−1. The methodology is suitable for the determination of F− in potable water and some interferences studies were conducted with common cations namely Ca, Mg, Al and Fe(III).