<abstract xmlns="http://www.w3.org/1999/xhtml"><p> 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. </p></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.

Kinetics of the decomposition and the estimation of the stability of 10% aqueous and non-aqueous hydrogen peroxide solutions

Chair and Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lublin, 1 Chodzki, 20-093 Lublin, Poland

Chair and Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Unit., Faculty of Pharmacy with Division of Medical Analytics, Medical University of Lublin, 4a Chodzki, 20-093 Lublin, Poland

Current Issues in Pharmacy and Medical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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...

Kinetics of the decomposition and the estimation of the stability of 10% aqueous and non-aqueous hydrogen peroxide solutions

Published Online: Mar 03, 2015

Page range: 213 - 216

Received: Oct 25, 2014

Accepted: Dec 08, 2014

DOI: https://doi.org/10.1515/cipms-2015-0017

Keywords
hydrogen peroxide, urea, stability, activation energy

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Kinetics of the decomposition and the estimation of the stability of 10% aqueous and non-aqueous hydrogen peroxide solutions

Published Online: Mar 03, 2015

Page range: 213 - 216

Received: Oct 25, 2014

Accepted: Dec 08, 2014

DOI: https://doi.org/10.1515/cipms-2015-0017

Keywordshydrogen peroxide, urea, stability, activation energy

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
hydrogen peroxide, urea, stability, activation energy