Effects of studies of phase equilibriums in binary systems perchloromethane - n-geptadecan and ethylene tetrachloride - n-geptadecan for which one performance of dots of nonvariant equilibriums are determined are resulted. Comparison counted on Schroder - Le-Shatele's method and experimentally found compositions of eutectics has demonstrated that deflection under the content polychlorinated derivative hydrocarbon doesn't exceed 2.7 percent. It testifies that the learnt systems are close to the ideal.
The stable tetrahedron LiF-KF-KCl-K2WO4 of the quinary reciprocal system Li,K||F,Cl,WO4 was studied by differential thermal analysis, and the characteristics of eutectic and peritectic were determined.
The quaternary mutual system Li,K||F,MoO4 ,WO4 was partitioned into the simplexes and described the chemical interaction by conversion method and by method of ion balance. The prediction of the crystallizing phases conducted on the basis of the partition and of the equations for the reactions of conversion lines and for the method of ion balance.
