Rendimiento cuántico de producción de radical hidroxilo por medidas de fluorescencia en el sistema TcPPFe/H2O2/ UV-VIS

Carlos Enrique Díaz-Uribe; William Andrés Vallejo-Lozada; Lizeth Johanna Alvarado-Rueda

doi:10.19053/01211129.2714

Vol. 23 No. 36 (2014)

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Rendimiento cuántico de producción de radical hidroxilo por medidas de fluorescencia en el sistema TcPPFe/H2O2/ UV-VIS

https://doi.org/10.19053/01211129.2714

Published 2014-01-11

Carlos Enrique Díaz-Uribe
William Andrés Vallejo-Lozada
Lizeth Johanna Alvarado-Rueda

Carlos Enrique Díaz-Uribe
Universidad del Atlántico

William Andrés Vallejo-Lozada
Universidad del Atlántico

Lizeth Johanna Alvarado-Rueda
Universidad Santo Tomás

How to Cite

Díaz-Uribe, C. E., Vallejo-Lozada, W. A., & Alvarado-Rueda, L. J. (2014). Rendimiento cuántico de producción de radical hidroxilo por medidas de fluorescencia en el sistema TcPPFe/H2O2/ UV-VIS. Revista Facultad de Ingeniería, 23(36), 85–90. https://doi.org/10.19053/01211129.2714

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Abstract

El rendimiento cuántico de producción de radical hidroxilo (ФOH) fue medido desde la fotólisis del peróxido de hidrógeno (H2O2) catalizada por la tetracarboxifenilporfirina de hierro (III) (TCPPFe) bajo luz ultravioleta. ФOH fue determinado por medidas de fluorescencia delproducto de reacción entre el radical hidroxilo (HO●) y el tereftalato disódico. La TCPPFe presenta un ФOH=0,13, mientras que la reacción estándar de la fotólisis del H2O2, no catalizada, tiene un ФOH=0,11. La reacción no tiene lugar en ausencia de luz, pero en presencia de luz visible, H2O2 y TcPPFe generan HO●.

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