Open‐circuit Electrochemical Polymerization for the Sensitive Detection of Phenols | Zendy

Rana Azeem | Zendy; Kawde AbdelNasser | Zendy

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Open‐circuit Electrochemical Polymerization for the Sensitive Detection of Phenols

Author(s) -

Rana Azeem,

Kawde AbdelNasser

Publication year - 2016

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.201500603

Subject(s) - phenol , detection limit , phenols , electrode , graphite , electrochemistry , polymerization , open circuit voltage , cyclic voltammetry , chemistry , materials science , inorganic chemistry , chromatography , organic chemistry , voltage , polymer , physics , quantum mechanics

We report on a novel electrochemical method for electro‐polymerizing phenols under open‐circuit conditions. The method developed here is simple, sensitive, rapid, and overcomes the well‐documented surface fouling of carbon electrodes by phenols. A pre‐charged disposable graphite pencil electrode (pCGPE) was found to be useful for both phenol sampling and sensing. The pCGPE was prepared by charging the surface of a graphite pencil electrode by applying a cyclic voltammetry electrochemical treatment in a NaOH solution. Phenol sampling was accomplished by immersing the pCGPE into a phenol solution. This method permitted phenol detection with a detection limit of 4.17 nM (0.39 ppt).

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