Boruros de Níquel Dopados con Metales de Transición
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Boruros de Níquel Dopados con Metales de Transición

Boruros de Níquel Dopados con Metales de Transición


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About the Book

Se encontró que la preparación de los catalizadores bimetálicos en base a Boruro de Níquel por co-rreducción de sales de Níquel junto con sales de otros metales resulta un método adecuado para obtener catalizadores con una actividad catalítica modulada en función de la proporción y de la estructura electrónica del co-metal seleccionado (1° serie de Transición Cr, Cu, Co, Fe, Mn, Zn). La fase activa de los catalizadores preparados en solvente no acuoso (THF) es principalmente la fase metálica, de modo que la acción del metal dopante está asociada a la modificación en la población de electrones en la red metálica del níquel, produciendo así una variación en la posibilidad de quimisorción disociativa del hidrógeno. Se encuentra una correlación lineal de las relaciones de los logaritmos de las constantes cinéticas para catalizadores dopado y sin dopar para los dos sistemas de hidrogenación (Glucosa y Nitrobenceno). Dado que ambos sistemas de hidrogenación son independientes y solo tienen en común que la etapa controlante es la disociación del hidrógeno, la correlación encontrada permite asegurar que el dopante actúa de igual manera afectando principalmente la energía de activación.


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Product Details
  • ISBN-13: 9783639558647
  • Publisher: Publicia
  • Binding: Paperback
  • Language: Spanish
  • Returnable: N
  • Spine Width: 21 mm
  • Width: 152 mm
  • ISBN-10: 3639558642
  • Publisher Date: 06 Aug 2014
  • Height: 229 mm
  • No of Pages: 372
  • Series Title: Spanish
  • Weight: 594 gr


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