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The Lyotropic Sequence in the Stability of Hydrophobic Colloids

J. Lyklema ; Agricultural University, Laboratory for Physical and Colloid Chemistry, Wageningen, Netherlands


Puni tekst: engleski pdf 11.243 Kb

str. 151-160

preuzimanja: 278

citiraj


Sažetak

The nature of the counterion, among other parameters, has
a pronounced influence on the flocculation values for hydrophobic
sols. A discussion of the lyotropic sequence, i. e. of the increase of
the flocculation values for a typical, negatively charged silver
iodide sol, in the series Rb+, K•, Na•, and Li+, is given in terms
of the Deryagin-Landau-Verwey-Overbeek theory of colloidal
stability. More recent data on adsorption of alkali metal ions on
the surface of a-hematite indicate a reversal of the lyotropic series.
Interpretation is sought in the predominance of steric factors.

Ključne riječi

Hrčak ID:

197546

URI

https://hrcak.srce.hr/197546

Datum izdavanja:

20.8.1970.

Posjeta: 522 *