In the present work. an analysis of the mutual arrangement of a number of iso-manifolds in the concentration tetrahedron formed by the components of the separated mixture and an additional substance. an extractive agent. was carried out to estimate the possibility of separating three-component mixtures containing biazeotropic constituents by extractive rectification. https://www.ealisboa.com/mega-sale-Cuticura-Ointement-10g-amazing-save/