Original scientific paper

On Silver Iodide in Surfactant Solutions

R. Despotović ; Laboratory of Colloid Chemistry, »Ruder Boskovic« Institute, 41001 Zagreb, P. 0 . Box 1016, Croatia, Yugoslavia
D. Mayer ; Laboratory of Colloid Chemistry, »Ruder Boskovic« Institute, 41001 Zagreb, P. 0 . Box 1016, Croatia, Yugoslavia

Abstract

The roile of n-dodecylammonium nitrate, DDAN03, at the
interface (AgI)solid/(electrolyte)solution was 1nvestigated. Silver iodide
was prepared (i) by isoelectric precipitation, (ii) by equiva1eint precipitation in statu nascendi, and (iii) in an excess of potassium
iodide in the presence of DDAN03• The employed surfactant affects
the crys,tallographic and colloid properties of Ag! in various ways.
The infliuence of surfactant was examined in the course of precipitation
and peptization of silver iodide. Based on the results
obtained, a mechanism of the interaction o.f silver iodide sols with
surfactants was suggested. The proposed model indicates the role
of surfactant 1n the equilibriation process at the interface »orystal/
/electrolyte solution« in the processes of the solid phase formation
and peptization.

Keywords

Hrčak ID:

196454

URI

https://hrcak.srce.hr/196454

Publication date:

23.9.1976.

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