The colloidal and chemical characteristics оf sol, prepared on the basis of the nanopowder γ–al2о3

  • М. Molodkina St. Petersburg State Polytechnical University, St.Petersburg
  • Е. Golikova St. Petersburg State University, St.Petersburg
  • Yu. Dudkina St. Petersburg State University, St.Petersburg
  • R. Bareeva S.M. Kirov Military Medical Academy MD of the Russian Federation
DOI: https://doi.org/10.15328/chemb_2012_3107-112
Keywords: nanopowders, synthesis, particle aggregate, stability, colloidal chemical properties of sols

Abstract

Electrosurface properties and aggregate stability of γ–Al2О3 sol in NaCl solutions are investigated. The optical characteristics of sol – a wave exponent and relative coefficient of light dispersion of particles are defined. The conclusion has done that coagulation of sol γ–Al2О3 proceeds mainly on barrierless mechanism in the distant potential minimum resulting from predominance of structural forces of repulsion on dispersion forces of an attraction.

References

1. Кленин В. И., Щеголев С. Ю., Лаврушин В. И. Характеристические функции светорассеяния дисперсных систем. – Издательство Саратовского университета, 1977. – 177 с.

2. Чураев Н.В. Поверхностные силы и физикохимия поверхностных явлений // Успехи химии. – 2004. – Т. 73, Вып. 1. – С. 26–38.

Published
2012-09-25
How to Cite
MolodkinaМ., GolikovaЕ., Dudkina, Y., & Bareeva, R. (2012). The colloidal and chemical characteristics оf sol, prepared on the basis of the nanopowder γ–al2о3. Chemical Bulletin of Kazakh National University, 67(3), 107-112. https://doi.org/https://doi.org/10.15328/chemb_2012_3107-112
Issue
Vol 67 No 3 (2012): Chemical Bulletin of Kazakh National University
Section
Colloid and Nano Chemistry
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