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Rapid spectrophotometric determination of chlorate with dimedone bisthiosemicarbazone monohydrochloride

Spektropbotometrische Bestimmung von Chlorat mit Dimedonbisthiosemicarbazon-monocblorhydrat (I)

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Summary

Dimedone bisthiosemicarbazone monohydrochloride has been examined to evaluate its usefulness as a reagent for rapid and sensitive Spectrophotometric determination of chlorate (0.5–5.0 ppm) by oxidation of the reagent in 70% perchloric acid medium and measurement of the yellow product. The molar absorptivity at 417 nm is 1.86×104 l·mole−1·cm−1. The relative standard deviation is 1.6% for 2.5 ppm of chlorate.

Zusammenfassung

Die Verwendbarkeit von I als Reagens für die rasche und empfindliche spektrophotometrische Bestimmung von 0,5–5,0 ppm Chlorat durch Oxydation von I in 70%iger Perchlorsäure und Messung des gelben Reaktionsproduktes wurde untersucht. Die molare Absorptivität bei 417 nm beträgt 1,86×104 l·mol−1·cm−1. Die relative Standardabweichung beträgt 1,6% für 2,5 ppm Chlorat.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, Spain

    J. A. Munoz Leyva & M. Callejón Mochón

  2. Department of Analytical Chemistry, Faculty of Sciences, University of Extremadura, Spain

    J. A. Munoz Leyva, M. Callejón Mochón, N. Moreno Diaz & A. Sánchez Misiego

Authors
  1. J. A. Munoz Leyva
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  2. M. Callejón Mochón
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  3. N. Moreno Diaz
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  4. A. Sánchez Misiego
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Munoz Leyva, J.A., Callejón Mochón, M., Moreno Diaz, N. et al. Rapid spectrophotometric determination of chlorate with dimedone bisthiosemicarbazone monohydrochloride. Mikrochim Acta 84, 295–302 (1984). https://doi.org/10.1007/BF01212394

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  • DOI: https://doi.org/10.1007/BF01212394

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