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Formation of nanoperiodic structures based on keggin and lacunar anions of phosphotungstic acid and cationic surfactants

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Abstract

Surface-active cations (A+) in an aqueous medium, at pH 1.0 with excess phosphotungstic acid, form compounds with the composition A3[PW12O40]; but at pH 4.5, they form acid salts AnH7−n[PW11O39]·xH2O that have a nanoperiodic structure. The structural parameters are greatly dependent on the nature of the surfactant and on the type of heteropolyion.

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Authors
  1. A. P. Filippov
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  2. A. S. Kovalenko
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  3. V. G. Il'in
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Additional information

L. V. Pisarzhevskii Institute of Physical Chemistry, National Academy of Sciences of Ukraine, 31 Prospect Nauki, Kiev 252039, Ukraine. Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 34, No. 4, pp. 250–256, July–August, 1998.

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Filippov, A.P., Kovalenko, A.S. & Il'in, V.G. Formation of nanoperiodic structures based on keggin and lacunar anions of phosphotungstic acid and cationic surfactants. Theor Exp Chem 34, 229–234 (1998). https://doi.org/10.1007/BF02523254

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  • DOI: https://doi.org/10.1007/BF02523254

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