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

被引：3

作者：

Zun, Maria ^{[1
]}

Dwornicka, Dorota ^{[1
]}

Wojciechowska, Katarzyna ^{[1
]}

Swiader, Katarzyna ^{[1
]}

Kasperek, Regina ^{[1
]}

Rzadkowska, Marzena ^{[2
]}

Poleszak, Ewa ^{[1
]}

机构：

[1] Med Univ Lublin, Fac Pharm, Dept Appl Pharm, 1 Chodzki, PL-20093 Lublin, Poland

[2] Med Univ Lublin, Fac Pharm Div Med Analyt, Dept Synth & Chem Technol Pharmaceut Subst, Comp Modeling Unit, PL-20093 Lublin, Poland

来源：

CURRENT ISSUES IN PHARMACY AND MEDICAL SCIENCES | 2014年 / 27卷 / 04期

关键词：

hydrogen peroxide; urea; stability; activation energy;

D O I：

10.1515/cipms-2015-0017

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

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 degrees C, 30 degrees C and 40 degrees 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.

引用

页码：213 / 216

页数：4

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