Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 633, Issue 1, Pages 259-263Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2009.05.012
Keywords
Self-assembled monolayer; Cysteamine; Hydroxamic acid; Impedimetry; Zr(IV)
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Funding
- University of Isfahan
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A new method is established for the electrochemical detection of zirconium ion (Zr(IV)) based on electrochemical impedance spectroscopy transduction method, and hydroxamated gold surface recognition system. The method successfully served for the detection of Zr(IV) with a wide dynamic range of 1.0 x 10(-9) to 5.0 x 10(-5) mol L-1, and a detection limit in nmol L-1 scale. Construction of the calibration curve by one-impedance for one-concentration method developed here helped us to save the experimental time by saving the data acquisition time by a factor of similar to 20, and further, eliminating data approximation and parameter extraction times. (C) 2009 Elsevier B.V. All rights reserved.
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