Topology and reaction routes in five-component reciprocal systems with nine salts of the D↔E type

Chemical processes, occurring in waterless salt mixtures, simulated by non-equilibrium cutting tetrahedrons of five-component reciprocal systems with nine salts of the D↔E type are considered. The presence of two singular and two intermediate stars with different thermochemical invariants of reaction route is as certained. The mechanism of semipyramide tetrahedron and singular and intermediate star sphenoid formation under chemical transformations of salt pairs is found. All the regularities are illustrated taking the system of sodium, potassium and calcium tungstates, fluorides and chlorides as an example. 7 refs., 2 refs., 3 tabs