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X.—The Action of Salts with Multivalent Cations on Colloidal Solutions of Gold and Gum Benzoin

Published online by Cambridge University Press:  15 September 2014

William Ogilvy Kermack  and
Cecil Innes Bothwell Voge
William Ogilvy Kermack
Affiliation:
Research Laboratory of the Royal College of Physicians, Edinburgh
Cecil Innes Bothwell Voge
Affiliation:
Research Laboratory of the Royal College of Physicians, Edinburgh
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Extract

It has been pointed out in a previous paper (Wright and Kermack, 1923), that whereas the precipitation of colloidal gum benzoin by salts containing a uni- or bi-valent cation commences at a given concentration and continues to take place with increasing concentration, in the case of ferric chloride, there occurs with continuously increasing concentrations of this salt, first non-precipitation, second precipitation, then a range of concentrations where no precipitation occurs, and lastly precipitation again. Such a series of changes has been observed with other sols under the action of tervalent ions (cf. Burton, 1916).

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 45 , Issue 1 , 1926 , pp. 90 - 101
Copyright
Copyright © Royal Society of Edinburgh 1926

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References

REFERENCES

Burton, , 1916, The Physical Properties of Colloidal Solutions, Longmans, Green & Co., p. 151.Google Scholar
Landolt-Börnstein, , 1923, Physikalisch-Chemische Tabellen, 5th edition, vol. ii, Springer, Berlin, pp. 1165–1170.Google Scholar
Pauli, , 1920, Report of Faraday Society on the Physics and Chemistry of Colloids, pp. 14–16.Google Scholar
Wright, and Kermack, , 1923, Biochem. Journ., 17, 635.CrossRefGoogle Scholar