Determination of the solubility, dissolution enthalpy and entropy of N-hydroxymethyl acrylamide in different solvents

Add time:09/08/2019    Source:sciencedirect.com

The solubilities of N-hydroxymethyl acrylamide were measured in pyridine, furan, acetonitrile, ethyl acetate, butyl acetate, toluene, chloroform, dichloromethane in temperatures ranging from 277.55 K to 342.45 K at atmospheric pressure using a laser detecting system. The solubility data were correlated by the modified Apelblat equation and Buchowski-Ksiazczak λh equation, the λh equation was more accurate than the modified Apelblat equation. The thermodynamic properties of the solution process, including the Gibbs energy, enthalpy, and entropy were calculated by the van't Hoff analysis and the Gibbs equation.

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