EIMER GRISELDA ALEJANDRA
Artículos
Título:
Synthesis and characterization of metal mixed oxides from Layered Double Hydroxides
Autor/es:
NANCY BÁLSAMO; SILVIA MENDIETA; MARCOS OLIVA; GRISELDA EIMER; MÓNICA CRIVELLO
Revista:
Procedia materials Science
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Año: 2012 vol. 1 p. 506 - 506
ISSN:
2211-8128
Resumen:
his work reports the synthesis and characterization of metal mixed oxides (MMOxs) obtained from precursors like Layered Double Hydroxides (LDHs). These materials were synthesized with two hydroxides of Mg-Al with the incorporation of mono, di and trivalent metal ions, such as Li, K, Ca, Ba, Ce, and La. The third metal incorporation took place through two different ways: the direct incorporation by the co-precipitation method and the incorporation through the impregnation of the mixed oxides by the wet impregnation method. All materials were characterized by XRD, SEM,EDX and specific surface area. The samples synthesized by both methods show the characteristic structure from the LDHs compounds derived and the third metal incorporated. However MMOxs obtained by co-precipitation method showed higher specific surface area and smaller particle size.