Comparison of the simplex,marquardt, and extended and iterated extended kalman filter procedures in the estimation of parameters from voltammetric curves |
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| Authors: | Irma Lavagnini Paolo Pastore Franco Magno |
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| Institution: | Institute of Industrial Chemistry, University of Padova, Via Marzolo 9, 35131 Padova Italy;Department of Inorganic, Organometallic and Analytical Chemistry, University of Padova, Via Marzolo 1, 35131 Padova Italy |
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| Abstract: | The use of the simplex, Marquardt, and extended and iterated extended Kalman filter nonlinear least-squares curve-fitting methods is examined for evaluation of parameters in linear-sweep and cyclic voltammetric curves. The EE mechanism (two-electron transfer) is considered as a reference process and the relevant results are compared on the basis of accuracy, computing time and robustness. The E° values for l-β-3,4-dihydroxyphenylalanine are calculated. |
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