الفهرس 
Introduction and Objects of InvestigationsOnly 14 pages are availabe for public view
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Abstract
The thesis is concerned with the preparation, characterization and catalytic activity of synthetic unsupported and supported tungsta samples. It presents and discusses results of pH-metry and UV-Vis spectroscopy of the solution chemistry of APT in addition to the output of temperature programmed and spectroscopic studies of the thermal decomposition of APT and H2-reduction of the unsupported tungsta. The dried impregnated supports and their calcination products were characterized aiming to reveal the chemical composition and structure of the bulk and surface species of the test materials, In order to find out how intimate is the relevance between the surface characteristics thus revealed and the acid-base catalytic functions of the supported tungsta, in-situ FTIR spectroscopy was used to follow the progress of 2-propanol decomposition pathways on the test samples.