Abstract
The solubility of veramoss in n-butyl alcohol, ethanol, isopropanol, ethyl acetate, acetone, tetrahydrofuran, isoamyl alcohol, n-amyl alcohol, n-propyl alcohol, and DMF pure solvents and various {ethanol + water} mixtures at T = 283.15–333.15 K and atmospheric pressure was measured by using the dynamic method. The experiment solubility data showed that the solubility of veramoss increased with increasing temperature in all solvents selected and decreased with the rise of mole fraction of water in the binary solvent mixtures of {ethanol + water}. The modified van’t Hoff equation and the Apelblat model were successfully used to correlate the experimental solubility in pure solvents while the modified Apelblat model, the van’t Hoff equation, and the CNIBS/R model were applied to correlate the solubility in binary solvent mixtures, and all of the models provided good fitting to the data. Furthermore, the thermodynamic parameters (dissolving enthalpy, dissolving entropy, and Gibbs free energy) of veramoss in d...
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