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

• Authors: Maria Zun , Dorota Dwornicka , Katarzyna Wojciechowska , Katarzyna Swiader , Regina Kasperek , Marzena Rzadkowska , Ewa Poleszak
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

hydrogen peroxide; urea; stability; activation energy

• Publisher: De Gruyter Open
• Journal: Current Issues in Pharmacy and Medical Sciences
• Year: 2014
• Volume: 27
• Issue: 4
• Pages: 213-216

Dates

published

1 - 12 - 2014

received

25 - 10 - 2014

online

3 - 3 - 2015

accepted

8 - 12 - 2014

Contributors

author

Maria Zun

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

author

Dorota Dwornicka

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

author

Katarzyna Wojciechowska

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

author

Katarzyna Swiader

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

author

Regina Kasperek

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

author

Marzena Rzadkowska

• 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

author

Ewa Poleszak

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

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Identifiers

DOI

10.1515/cipms-2015-0017