Citation: Alireza Mohadesi, Hadi Beitollahi, Mohammad Ali Karimi. Stripping voltammetric determination of Cd(Ⅱ) based on multiwalled carbon nanotube functionalized with 1-(2-pyridylazo)-2-naphthol[J]. Chinese Chemical Letters, ;2011, 22(12): 1469-1472. doi: 10.1016/j.cclet.2011.06.010 shu

Stripping voltammetric determination of Cd(Ⅱ) based on multiwalled carbon nanotube functionalized with 1-(2-pyridylazo)-2-naphthol

a Department of Chemistry, Payame Noor University, Tehran 19395-4697, Iran;
b Department of Chemistry, Payame Noor University(PNU), P. O. Box 76175-559, Kerman, Iran;
c Environmental Department, Research Institute of Environmental Sciences, International Center for Sciences, High Technology and Environmental Sciences, Kerman, Iran;
d Department of Chemistry & Nanoscience and Nanotechnology Research Laboratory(NNRL), Payame Noor University(PNU), Sirjan, Iran

Received Date: 11 April 2011

The present work has focused on the modification of multiwalled carbon nanotube with a ligand, l-(2-pyridylazo)-2-naphthol, and its potential application for the development of a new, simple and selective modified glassy carbon electrode for stripping voltammetric determination of Cd (Ⅱ). The analytical curve for Cd (Ⅱ) ions covered the linear range varying from 0.8 up to 220.4 μg L^-1. The limit of detection was found to be 0.1 μg L^-1, while the relative standard deviation (RSD) at 50.0 μg L^-1 was 1.8% (n=5). This modified electrode was successfully applied for determination of Cd (Ⅱ) in some water samples.
- Multiwalled carbon nanotube,
- 1-(2-Pyridylazo)-2-naphthol,
- Cadmium (Ⅱ),
- Stripping voltammetry
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