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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 2 of 2 (0.057 seconds)Spelling suggestions: "subject:"oxide fluoride""
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The chemistry of chromium (VI) and chromium (V) oxide fluoridesGreen, Patrick Jay 01 January 1976 (has links)
New preparative routes to chromyl fluoride were sought. It was found that chlorine monofluoride reacts with chromium trioxide and chromyl chloride to produce chromyl fluoride. Attempts were made to define a mechanism for the reaction of ClF and Cr03 in light of by-products observed and previous investigations. Carbonyl fluoride and chromium trioxide react to form chromyl fluoride and carbon dioxide. A mechanism was also proposed for this reaction. Chromium trioxide with MoF6 or WF6 to produce chromyl fluoride and the respective oxide tetrafluoride.
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Struktur und Eigenschaften von nanoskopischen Metall(hydroxid)fluorid-Aluminiumoxid-KompositenStosiek, Christoph 08 September 2010 (has links)
Durch die Verwendung der fluorolytischen Sol-Gel Synthese ist es möglich, röntgenamorphe bzw. partiell nanokristalline Metallhydroxidfluoride und Metallfluoride zu erhalten. Diese Verbindungen unterscheiden sich in ihren Eigenschaften stark von „klassisch“ hergestellten, kristallinen Metall(hydroxid)fluoriden. In der vorliegenden Promotionsarbeit wurden deshalb in vier aufeinander folgenden Kapiteln sowohl die Synthese und Charakterisierung von Aluminium– und Magnesium(hydroxid)fluoriden beschrieben als auch die Auswirkung dieser Verbindungen auf das Phasentransformationsverhalten von böhmitischen Xerogelen zu Korund sowie ihre Wirksamkeit als Sinterhilfsmittel bei der Korundkeramikherstellung untersucht. / The application of the fluorolytic sol-gel method with aqueous hydrofluoric acid enables the synthesis of X-ray amorphous or rather partially nanocrystalline metal hydroxide fluorides and metal fluorides. These compounds strongly differ in their characteristics from “classically” manufactured, crystalline metal hydroxide fluorides. In the present dissertation both, the synthesis and characterisation of aluminium and magnesium hydroxide fluorides were described and the effect of these compounds on the phase transformation behaviour from pseudoboehmites to corundum was examined as well as their effectiveness as sintering aid during the corundum ceramics production.
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