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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 600A Stripping Voltammetric Method for Iodine Ion at...

A Stripping Voltammetric Method for Iodine Ion at Chitosan Incorporating Carbon Nanotubes Modified Electrode

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Abstract:

A novel chitosan incorporating carbon nanotubes coated electrode was constructed and applied to the differential pulse voltammetric (DPV) anodic stripping voltammetric characteristics of iodine ion. The modified electrodes, exhibiting both of unique properties of CNT and chitosan, has excellent electrocatalytic effect of I-. The sensitive detection of iodine ion has been further improved. A linear calibration curve was obtained for 1×10-6 mol/L to 1×10-3 mol/L in 0.1 mol/L KH2PO4 buffer (pH = 4.0) with correlation coefficient of 0.998 and detection limit of 0.2 μmol/L. The practical analytical application was illustrated by a measurement of iodine ion in salt.

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Advanced Research on Environmental Science and Material Application

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Periodical:

Advanced Materials Research (Volume 600)

Pages:

166-169

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.600.166

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Online since:

November 2012

Authors:

Zong Hua Wang, Yu Feng Wang, Fei Fei Zhang, Yan Zhi Xia, Jian Fei Xia

Keywords:

Carbon Nanotube (CN), Chitosan, Iodine Ion, Modified Electrode

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