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The News of Altai State University
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Content of 1(1) 1996
Computer Science

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B.I. Petrov, L.S. Yegorova, S.N. Komissarova

Physical and chemical analysis of water - orthophosphoris and trichloroacetic acids three component system

Physical and chemical analysis of three-component system containing water, trichloroacetic and orthophosphoric acids has been discussed. The state diagram for the system has been drawn. The region of two-phase liquid equilibrium has been found in the system. Along with the field of two-phase liquid equilibrium the following fields have been detected: those of homogeneous solutions, three-phase monotectic equilibrium, two-phase equilibrium of trichloacetic acid crystals and solutions saturated with them, two-phase equilibrium of orthophosphoric acid crystals and solutions saturated with them. The composition of equilibrium liquid phases has been determined. The separation in the system is caused by the salting-out of an organic component from the water solution. The salting-out component is, in this case, orthophosphoric acid, namely hydronium ion.

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Petrov Boris Iosifovich
Doctor of Sciences (Chemistry), Professor, Chief of the Chair of Analytical Chemistry, the Altai State University.
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