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Dissociation and complexation constants of some β-diketone ionophores

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Abstract

The dissociation constants of dibenzoylmethane (DBM), 1-phenyl-3-(p-chlorophenyl)-1,3-propanedion (ETH 245) and 1,13-bis-[4′-(3″-phenyl-1″,3″-dioxopropyl)-phenyl]-tridecan (ETH 1224) were potentiometrically evaluated in 80% dioxane medium at 30 °C. The stability constants of DBM complexes with calcium, magnesium and barium as well as those of ETH 245 with magnesium were determined and correlated with the selectivity coefficients of ion-selective electrodes containing DBM as ionophore.

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Authors and Affiliations

  1. Department of Chemistry, University of Warsaw, Warsaw, Poland

    M. Maj-Żurawska & A. Hulanicki

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  1. M. Maj-Żurawska
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  2. A. Hulanicki
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Maj-Żurawska, M., Hulanicki, A. Dissociation and complexation constants of some β-diketone ionophores. Mikrochim Acta 90, 151–158 (1986). https://doi.org/10.1007/BF01364297

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  • DOI: https://doi.org/10.1007/BF01364297

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