Kinetics of the decomposition and the estimation of the stability of 10% aqueous and non-aqueous hydrogen peroxide solutions
Journal Title: Current Issues in Pharmacy and Medical Sciences - Year 2014, Vol 27, Issue 4
Abstract
In this study, the stability of 10% hydrogen peroxide aqueous and non-aqueous solutions with the addition of 6% (w/w) of urea was evaluated. The solutions were stored at 20°C, 30°C and 40°C, and the decomposition of hydrogen peroxide proceeded according to first-order kinetics. With the addition of the urea in the solutions, the decomposition rate constant increased and the activation energy decreased. The temperature of storage also affected the decomposition of substance, however, 10% hydrogen peroxide solutions prepared in PEG-300, and stabilized with the addition of 6% (w/w) of urea had the best constancy.
Authors and Affiliations
Maria Zuń, Dorota Dwornicka, Katarzyna Wojciechowska, Regina Kasperek, Marzena Rządkowska, Ewa Poleszak
Keywords
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