Interaction of lanthanum with catalytic silica supports

  1. S. Bernal 1
  2. J.J. Calvino 1
  3. J.M. Rodríguez-Izquierdo 1
  4. H. Vidal 1
  1. 1 Departamento de Química Inorgánica. Universidad de Cádiz. Apartado 40 . Puerto Real . 11510. Spain.
Aldizkaria:
Journal of Rare Earths

ISSN: 1002-0721

Argitalpen urtea: 1991

Alea: 2

Orrialdeak: 834-837

Mota: Artikulua

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Beste argitalpen batzuk: Journal of Rare Earths

Laburpena

A series of silica supported lanthana s amples, with La2o3 weight loadings rang i ng from 7.8% to 75%, have been prepared and characterized . XRD, Raman s pectroscopy, XPS and TEM studies demonstrate the formation of a well dispersed , amorphous , lanthanum containing phase . The surface basicity of t he samples was gradually modified as the lant ha na loading increased.