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Batch Experiments for the Determination of the Ti(IV,III) Couple Formal Potential in 1 mol⋅dm−3 HCl, 2 mol⋅dm−3 NaCl Medium at 25 °C

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Abstract

The determination of the Ti(IV,III) redox couple formal potential in 1 mol⋅dm−3 HCl, 2 mol⋅dm−3 NaCl medium at 25 °C through batch experiments involving the preparation of Ti(IV) and Ti(III) mixtures via the reaction of Ti(IV) with zinc amalgam, has been carried out with Emf measurements in order to verify the correctness of the previous value that the authors obtained by a coulometric-potentiometric investigation in the same conditions. The results from the two independent methods are in good agreement: (9±1) mV by the first method and (9±2) mV by the average batch result.

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Authors and Affiliations

  1. Department of Inorganic and Analytical Chemistry “Stanislao Cannizzaro”, University of Palermo, Viale delle Scienze, Ed. 17-90128, Palermo, Italy

    Diana Amorello, Fabrizio Ledda, Vincenzo Romano & Roberto Zingales

Authors
  1. Diana Amorello
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  2. Fabrizio Ledda
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  3. Vincenzo Romano
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  4. Roberto Zingales
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Correspondence to Vincenzo Romano.

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Amorello, D., Ledda, F., Romano, V. et al. Batch Experiments for the Determination of the Ti(IV,III) Couple Formal Potential in 1 mol⋅dm−3 HCl, 2 mol⋅dm−3 NaCl Medium at 25 °C. J Solution Chem 38, 259–263 (2009). https://doi.org/10.1007/s10953-008-9359-y

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  • DOI: https://doi.org/10.1007/s10953-008-9359-y

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