A FLUORESCENT FILM PROBE BASED ON SCHIFF BASE FOR DETERMINATION OF Fe3+ IONS

Year 2017, Volume: 18 Issue: 3, 611 - 623, 30.09.2017

Musa Kamacı

Abstract

In this paper,
fluorescent film probe based on Schiff base was easily prepared and it used as
fluorescence chemosensor for the detection of transition metal ions in aqueous
medium. Fluorescence measurements were done using fluorescence spectroscopy and
the obtained results showed that the proposed sensor have two emission maxima
at 539 and 582 nm. In addition, the proposed film sensor exhibited high
sensitivity and selectivity to Fe³⁺ cation in the mentioned
wavelengths. Quantum yield of the fluorescent sensor was also calculated as
3.24%. The limit of detection (LOD) of the chemosensor was calculated using
fluorescence titration method and it determined as 53.7 and 3.53 µM at 539 and
582 nm. Fluorescence data indicated that the proposed sensor has potential
application to determination of Fe³⁺ cations in deionized water
without interference of the used other metal cations.

Keywords

Schiff base, Chemosensor, Fe (III) ion, Fluorescent sensor

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