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Vitae
versão impressa ISSN 0121-4004
Resumo
RUIDIAZ M, Miller A et al. PERFORMANCE OF THE JOUYBAN-ACREE MODEL FOR CORRELATING THE SOLUBILITY OF INDOMETHACIN AND ETHYLHEXYL TRIAZONE IN ETHYL ACETATE + ETHANOL MIXTURES. Vitae [online]. 2010, vol.17, n.3, pp.309-316. ISSN 0121-4004.
This work reports the experimental volumetric properties and also the saturated solubility of indomethacin and ethylhexyl triazine in ethyl acetate + ethanol mixtures at 293.15 to 313.15 K and evaluates the validity of the Jouyban-Acree (J & A) model to correlate the solubility of these compounds in ethyl acetate + ethanol solvent mixtures. The solubility correlation is studied as a function of temperature and cosolvent composition. The J & A model requires only the experimental solubility values in the pure solvents at all the temperatures under study. The calculated values by using both compounds deviate as mean in 30% from experimental solubility values.
Palavras-chave : Indomethacin; ethylhexyl triazone; solubility; ethyl acetate; solvent mixtures; Jouyban-Acree equation.