Kalman filtering for the evaluation of the current-time function in d.c. polarography

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Bos, M. (1986) Kalman filtering for the evaluation of the current-time function in d.c. polarography. Talanta, 33 (7). pp. 583-586. ISSN 0039-9140

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Abstract:Kalman filtering was applied to the current vs. time data obtained at the growing mercury drop of a DME under d.c. polarographic conditions, to separate the faradaic and capacitive components of the electrode current. Polarograms consisting of the pure faradaic current vs. applied d.c. potential were subjected to a four-parameter curve-fitting procedure to obtain the polarographic characteristics, viz. half-wave potential, limiting current and slope of the log plot together with the baseline current. The method was tested with cadmium and zinc in the 10−6–10−5 M range. The standard deviations of the half-wave potentials and the limiting current/concentration ratios were found to be 1.0 mV and 0.04 respectively.
Item Type:Article
Copyright:© 1986 Elsevier Science
Link to this item:http://purl.utwente.nl/publications/69638
Official URL:http://dx.doi.org/10.1016/0039-9140(86)80134-5
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