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Intrazeolite chemistry

The process of loading zeolites with organometallie complexes always brings to the forefront the question of internal versus external confinement of the metal guest. In this paper we present some experiments based on size exclusion, metal loading and intrazeolite chemistry which in conjunction with FT-FAR-IR, EPR and UV-visible reflectance spectroscopy, critically probe the question of internal versus external location for the case of five representative organometallics,... [Pg.212]

II. Bis(cyclopentadienyl)chromium(II) Size Exclusion and Intrazeolite Chemistry... [Pg.225]

This paper describes some new zeolite organometallic impregnation experiments, in which a combination of metal loading, size exclusion, intrazeolite chemistry and diffusion considerations in conjunction with epr, far-IR and UV-visible reflectance spectroscopic probes, serve to distinguish metal guests located in the intracrystalline voids of the zeolite from those located on the external surface. [Pg.232]

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