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Reaction of alkali and ammonium bifluorides with aluminium and silicon

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Abstract

The reactions of alkali and ammonium bifluorides with aluminium and silicon were studied by DTA. Reaction temperatures were determined and reaction products identified. The reaction mechanism of the fluorinating reaction was established. Hydrofluorides appear very promising fluorinating agents.

Résumé

On a étudié par ATD les réactions données par les hydrogénofluorures alcalins et d'ammonium avec l'aluminium et la silice. On a déterminé les températures des réactions et identifié les produits de réaction. On a établi le mécanisme de la réaction de fluoration. Les hydrogénofluorures semblent être des réactifs de fluoration très prometteurs.

Zusammenfassung

Die Reaktionen von Alkali- und Ammoniumbifluoriden mit Aluminium und Silicium wurden mittels DTA studiert. Die Reaktionstemperaturen wurden bestimmt und die Reaktionsprodukte identifiziert. Der Reaktionsmechamismus der Fluoridierungsreaktion wurde ermittelt. Die Hydrofluoride erwiesen sich als vielverheißende Fluoridierungsreagenzien.

Резюме

Исследовано взаимод ействие бифторидов щелочных металлов и а ммония с алюминием и кремнием методом дифференциально-тер мического анализа. Оп ределена температура взаимод ействия, идентифицир ованы продукты реакции. Уст ановлена схема протекания реакций ф торирования металло в. Отмечается перспективность исп ользования гидрофторидов в каче стве фторирующих аге нтов.

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Opalovsky, A.A., Fedorov, V.E. & Fedotova, T.D. Reaction of alkali and ammonium bifluorides with aluminium and silicon. Journal of Thermal Analysis 5, 475–482 (1973). https://doi.org/10.1007/BF01950237

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  • DOI: https://doi.org/10.1007/BF01950237

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