Determination of Trichloroacetic Acid (TCAA) Using CdO Nanoparticles Modified Carbon Paste Electrode | Zendy

Najafi Mostafa | Zendy; Darabi Salman | Zendy; Tadjarodi Azadeh | Zendy; Imani Mina | Zendy

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Determination of Trichloroacetic Acid (TCAA) Using CdO Nanoparticles Modified Carbon Paste Electrode

Author(s) -

Najafi Mostafa,

Darabi Salman,

Tadjarodi Azadeh,

Imani Mina

Publication year - 2013

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.201200462

Subject(s) - chronoamperometry , electrocatalyst , chemistry , detection limit , aqueous solution , carbon paste electrode , cyclic voltammetry , electrode , inorganic chemistry , trichloroacetic acid , electrochemistry , chromatography , organic chemistry

In this paper, the electrochemical behavior of a carbon paste electrode modified with CdO nanoparticles as a potential electrocatalyst for the reduction of trichloroacetic acid (TCAA) was investigated using cyclic voltammetry and double‐potential step chronoamperometry. The modified electrode showed a great enhancement in cathodic peak current with respect to reduction of TCAA in acidic aqueous solution. Using this increment, a quantitative method was developed for the determination of TCAA in aqueous solution. The detection limit and linear dynamic range of TCAA are 2.3×10 −6 M and 2.3×10 −4 –3×10 −6 M, respectively.

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