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Studies on the molybdenum catalysed reaction between toluidine blue and stannous chloride

Mechanism, analytical application and simulations

  • Original Papers
  • Inorganic Chemistry
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Summary

The detailed kinetics of the reaction between toluidine blue (tolonium chloride) (TB+) and stannous chloride in acidic solution catalysed by Mo(VI) are studied. 1,10-phenanthroline activated the reaction. The scope of the reaction as indicator reaction, for the catalytic determination of molybdenum was explored. The effect of various interfering cations and anions on the method were investigated and optimum conditions for analysis of low concentrations of Mo (10−6 mol/l range) are described. Limitations of the method and alternatives for overcoming the interferences are discussed.

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Authors and Affiliations

  1. Department of Chemistry, University of Zimbabwe, Box MP 167, Harare, Zimbabwe

    S. B. Jonnalagadda & M. Dumba

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  1. S. B. Jonnalagadda
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  2. M. Dumba
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Jonnalagadda, S.B., Dumba, M. Studies on the molybdenum catalysed reaction between toluidine blue and stannous chloride. Fresenius J Anal Chem 345, 673–678 (1993). https://doi.org/10.1007/BF00325833

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  • DOI: https://doi.org/10.1007/BF00325833

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