Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2012 Vol: 4 Issue: 7

Electrocatalytic oxidation of acetaminophen using 1-ethyl-3-methylimidazolium tetrafluoroborate-nickel hexacyanoferrate nanoparticles gel modified electrode

Abstract

In this work 1-ethyl-3-methylimidazolium tetrafluor oborate, (EMIMBF 4 ) a hydrophilic room temperature ionic liquid (RTIL) was used as a binder to make a new ki nd of ionic liquid-nickel hexacyanoferrate nanopart icles (NiHCF-NP) gel modified electrode, which was charac terized by cyclic voltammetry. The modified electro de showed good electrocatalytic behavior towards the o xidation of acetaminophen with an enhancement of pe ak current and reduction in overpotential. The modifie d electrode exhibited good linear relation in the c oncentration range from 1.5 μ M to 1.5 mM for the quantitative analysis of acetam inophen with a limit of detection of 0.51 μ M (3 σ ).