Erdoğan HASDEMİR, Tuğba TABANLIGİL CALAM

Application of 1,6-Hexanedithiol and 1-Hexanethiol Self Assembled Monolayers on Polycrystalline Gold Electrode for Determination of Fe(II) Using Square Wave Voltammetry

1,6-hexanedithiol and 1-hexanethiol monolayer films modified polycrystalline gold electrodeswere fabricated by using self assembled monolayer method. Modified electrodes used forelectro-catalytic oxidations of iron(II). The calibration curves were obtained in the range of5.00×10-8- 3.85×10-5 mol.L−1and 1.00×10−7- 2.56×10−5 mol.L−1at the Au-HDT and Au-HT,respectively. Detection limit of 1.6×10-8 mol.L−1 and 3.2×10−8 mol.L−1 for iron(II) at the AuHDTand Au-HT, respectively. Validity of the method and applicability of the sensors aresuccessfully tested by determining of Fe(II) in real samples such as drinking water and carobsyrup samples.

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