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Adsorption of the heteropolyacid H4SiW12O40 by porous substrates

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Silicotungstic heteropolyacid is sorbed by silica gels, activated charcoal, and γ-Al2O3 from water and from organic oxygen-containing solvents, forming three formations distinguishable by electron microscopy.

  2. 2.

    The relative proportions of the surface forms are determined by the type of substrate, solvent, and the HPA concentrations on the substrate. The most uniform covering is achieved when HPA is adsorbed from ethyl acetate.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 763–768, April, 1989.

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Kulikov, S.M., Timofeeva, M.N., Kozhevnikov, I.V. et al. Adsorption of the heteropolyacid H4SiW12O40 by porous substrates. Russ Chem Bull 38, 687–691 (1989). https://doi.org/10.1007/BF00953269

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  • DOI: https://doi.org/10.1007/BF00953269

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