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Effect of temperature on hydrogen peroxide photolysis in aqueous solutions |
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| Authors: | F García Einschlag MR Féliz AL Capparelli |
| Institution: | Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, (1900), La Plata, Argentina |
| Abstract: | The photolysis of hydrogen peroxide in dilute aqueous solution (1 × 10−4 M) at various temperatures (15–85°C) and pH (ph 2.5–7) was studied by flash photolysis. The rate of oxygen production under continuous photolysis conditions was measured at room temperature. The rate constants and activation parameters are reported. Evidence for the formation of complexes between hydrogen peroxide and intermediate radicals is presented. The liquid phase data are discussed and compared with those available for the gas phase. |
| Keywords: | Hydrogen peroxide Photolysis Temperature |
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