Author:
Vargas-Santana Martha Sofía,Cruz-González Ana María,Cerquera Nestor Enrique,Escobar Rodriguez Alana Sofia,Cardenas Rossember E.,Calderón-Losada Omar,Ortiz Claudia Patricia,Delgado Daniel Ricardo
Abstract
Aim: extended Hildebrand Solubility Approach (EHSA) and Yalkowsky Roseman (YR) were applied to evaluate the solubility of sulfadiazine, and sulfamethazine in ethylene glycol + water mixtures. Methodology: reported experimental equilibrium solubilities and some fusion properties of these drugs were used for the calculations.Results: a good predictive character of EHSA (with mean deviations lower than 3.0%) were found by using regular polynomials in order two correlating the inter-action parameter W with the Hildebrand solubility parameter of solvent mixtures without drug ; however, the results obtained from YR model show relatively high deviations greater than 50%.
Publisher
Universidad Nacional de Colombia
Subject
Pharmacology (medical),General Pharmacology, Toxicology and Pharmaceutics
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