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Potentiometric determination of water-soluble organic amides using tungstophosphoric heteropoly acid

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Abstract

A procedure is based on the potentiometric titration of water-soluble nitrogen-containing organic compounds with tungstophosphoric acid in an HCl solution using a polarized platinum microelectrode. The analytical range is between 0.4 and 65%. The presence of isobutanol and LiCl in industrial solutions has no effect on determination in a wide concentration range and allows the procedure to be used in the production of some synthetic fibers.

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Authors and Affiliations

  1. Moscow State University of Design and Technologies, Sadovnicheskaya ul. 33, Moscow, 115998, Russia

    V. V. Bogoslovskii & I. P. Pizelkin

Authors
  1. V. V. Bogoslovskii
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  2. I. P. Pizelkin
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Additional information

Original Russian Text © V.V. Bogoslovskii, I.P. Pizelkin, 2006, published in Zhurnal Analiticheskoi Khimii, 2006, Vol. 61, No. 11, pp. 1215–1217.

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Bogoslovskii, V.V., Pizelkin, I.P. Potentiometric determination of water-soluble organic amides using tungstophosphoric heteropoly acid. J Anal Chem 61, 1121–1123 (2006). https://doi.org/10.1134/S1061934806110141

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  • DOI: https://doi.org/10.1134/S1061934806110141

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