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Calculation of Activation Energy of Commercial Grade H2O2 from DSC for Using Evaluation Thermal Hazard

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Abstract:

Hydrogen peroxide is a strong oxidizing agent containing a peroxide functional group that easily decomposes. In this research, a commercial grade of 35 % w/w hydrogen peroxide was evaluated for thermal hazard and reactivity by differential scanning calorimetry (DSC). It was found that the calculated activation energy was 70.03 kJ/mol. The risk assessment of thermal hazard evaluated in terms of the adiabatic decomposition temperature rise at heating rate 2, 4 and 8 °C/min, were 236.5, 159.2 and 217.5 K, respectively. While the time-to-maximum rate were 79.1, 52.6 and 28.3 second, respectively. Therefore, the storage, transportation and usage, proper care must be highly careful by trained and qualified person or the chemist knowledgeable personnel.

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Periodical:

Materials Science Forum (Volume 990)

Pages:

127-132

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.990.127

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Online since:

May 2020

Authors:

Suranee Anothairungrat*, Kowit Piyamongkala

Keywords:

Differential Scanning Calorimetry, Hydrogen Peroxide, Thermal Hazard

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