Abstract

In order to obtain general information on the colloid stability of a mixed system, silver-thallous iodide systems were preliminarily examined. In all the systems observed, the molar fractions of each metal, fAg and fTl were continuously changed by 5% so that the silver-thallous iodide systems consisted of 21 different samples. Tyndallometry was used as a simple and sufficiently accurate method for determination of colloid stability of investigated systems. For the control of the substance change in the suspensions X-ray diffraction analysis was employed. The results obtained show that at the higher percentage of silver or thallium in the systems, resulting stabilities are dependent on the stability of the main component, while in the case of equal amounts of metals two stability maxima were attained. Maxima were pointed out in discussion as the prominent points of the system.

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