Chemical engineers work across a number of sectors, processes differ within each of these areas, but chemistry and chemical engineering roles are found throughout, and are directly involved in the manufacturing process of chemical products and materials. Formula: C7H9N
The termodynamic similarity of phase-separating binary aqueous solutions with a lower critical solution temperature is discussed.The values of temperature and pressure at the double critical point are used as scales.An analysis of the experimental material on the phase-separation of aqueous solutions of organic compounds has discovered correlations between dimensionless thermodynamic complexes that make it possible to calculate the line of the critical points (LCP) of a solution by the data on phase-separation at atmospheric pressure.The proposed algorithm of calculation is verified by the example of the mixture water/2,6-dimethylpyridine.The calculated and the experimental data for the LCP of this solution demonstrate a satisfactory agreement. keywords Aqueous solutions / Phase-separation / Double critical point / Thermodynamic similarity
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Reference：
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis