Interactions of water vapor with oxides at elevated temperatures

Many volatile metal hydroxides form by reaction of the corresponding metal oxide with water vapor. These reactions are important in a number of high temperature corrosion processes. Experimental methods for studying the thermodynamics of metal hydroxides include: gas leak Knudsen cell mass spectrome...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 2005-02, Vol.66 (2), p.471-478
Main Authors: Jacobson, Nathan, Myers, Dwight, Opila, Elizabeth, Copland, Evan
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Elements, mineral and organic compounds
Exact sciences and technology
General and physical chemistry
Thermodynamic properties
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Summary:Many volatile metal hydroxides form by reaction of the corresponding metal oxide with water vapor. These reactions are important in a number of high temperature corrosion processes. Experimental methods for studying the thermodynamics of metal hydroxides include: gas leak Knudsen cell mass spectrometry, free jet sampling mass spectrometry, transpiration and hydrogen–oxygen flame studies. The available experimental information is reviewed and the most stable metal hydroxide species are correlated with position in the periodic table. Current studies in our laboratory on the Si–O–H system are discussed.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2004.06.044