Journal
ELECTROCHIMICA ACTA
Volume 220, Issue -, Pages 705-711Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.10.165
Keywords
Piperazines; Structural characterization; Kinetic and thermodynamic parameters; Redox mechanism
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Funding
- Higher Education Commission of Pakistan
- Deanship of Scientific Research at King Saud University (Saudi Arabia) [RGP-255]
- Quaid-i-Azam University Islamabad, Pakistan
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Sodium4-benzyl piperazine-1-carbodithioate and sodium4-benzhydryl piperazine-l-carbodithioate were synthesized and characterized by FT-IR and multinuclear NMR (H-1, C-13) spectroscopy. The effects of scan rate, pH and concentration on the voltammetric response of the analytes were investigated for the evaluation of electrochemical and kinetic parameters of the electron transfer processes. Redox mechanisms of the compounds were proposed on the basis of results obtained from electrochemical investigations. Square wave voltammetry was used to determine the limits of detection and quantification. Moreover, various thermodynamic parameters of the electrode reactions were evaluated from the temperature responsive redox response of the synthesized piperazines. (C) 2016 Elsevier Ltd. All rights reserved.
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