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Specific features of iodometric methods for determining the content of sodium sulfite in fixing-bleaching photographic solutions

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Abstract

The conditions of oxidation of thiocyanate ions and thiocarbamide with iodine in aqueous solutions are discussed. The range of the pH values of the solutions, in which thiocyanate ions do not interfere with the iodometric determination of sodium sulfite in fixing-bleaching photographic solutions and the expenditure of iodine for oxidation of thiocarbamide can be taken into account correctly, is revealed.

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Authors and Affiliations

  1. Institute of Solid Chemistry and Mechanochemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk, Russia

    V. N. Kiryushov & L. I. Skvortsova

Authors
  1. V. N. Kiryushov
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  2. L. I. Skvortsova
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Additional information

Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2056–2058.

Original Russian Text Copyright © 2004 by Kiryushov, Skvortsova.

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Kiryushov, V.N., Skvortsova, L.I. Specific features of iodometric methods for determining the content of sodium sulfite in fixing-bleaching photographic solutions. Russ J Appl Chem 77, 2031–2033 (2004). https://doi.org/10.1007/s11167-005-0215-1

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  • DOI: https://doi.org/10.1007/s11167-005-0215-1

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