Nonlinear Estimation of the Equilibrium Potential for a Solid‐State Lead Ion‐Selective Electrode | Zendy

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Nonlinear Estimation of the Equilibrium Potential for a Solid‐State Lead Ion‐Selective Electrode

Author(s) -

Watkins Peter

Publication year - 2005

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.200303041

Subject(s) - nonlinear system , electrode , ion selective electrode , lead (geology) , fluoride , ion , nonlinear regression , range (aeronautics) , chemistry , analytical chemistry (journal) , thermodynamics , materials science , mathematics , inorganic chemistry , statistics , regression analysis , chromatography , physics , biochemistry , organic chemistry , quantum mechanics , geomorphology , composite material , selectivity , geology , catalysis

Nonlinear regression was applied to three empirical equations to model the response of a solid‐state lead ion‐selective electrode (ISE). One particular equation, previously reported to describe the response of a fluoride ISE, was found to also describe the response of a solid‐state lead ISE. Nonlinear regression was applied to the early portion of the response curve for the lead ISE and used to estimate the equilibrium potential for a range of test solutions.

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