Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 12, Issue 10, Pages 1395-1397Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.07.030
Keywords
Trichloroacetic acid; Silver nanoparticles; Multi-walled carbon nanotubes; Square wave voltammetric technique
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Funding
- National Major Project of Science and Technology Ministry of China [2008ZX07421-002]
- National Natural Science Foundation of China [50938004]
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Silver nanoparticle coated multi-walled carbon nanotubes (Ag/MWCNT) were prepared and used to fabricate a modified electrode. The Ag/MWCNT composites were observed by a transmission electron microscope (TEM), and the electrochemical properties of the Ag/MWCNT composite modified glassy carbon electrode were characterized by electrochemical measurements. The results showed that these composites had a favorable catalytic ability for the reduction of trichloroacetic acid (TCAA). Square wave voltammetric (SWV) technique was applied to detect TCAA. Under optimum conditions, the voltammetric determination of TCAA was performed with a linear range of 5.0 x 10(-6)-1.2 x 10(-4) mol L-1 and a detection limit of 1.9 x 10(-6) mol L-1(S/N = 3). (C) 2010 Published by Elsevier B.V.
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