Authors:
A. Hadj Mebarek Ecole Nationale Supérieure de Chimie de Mulhouse Groupe Sécurité et Ecologie Chimiques 3, rue Alfred Werner 68093 Mulhouse Cedex France 3, rue Alfred Werner 68093 Mulhouse Cedex France

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C. Cogneville Ecole Nationale Supérieure de Chimie de Mulhouse Groupe Sécurité et Ecologie Chimiques 3, rue Alfred Werner 68093 Mulhouse Cedex France 3, rue Alfred Werner 68093 Mulhouse Cedex France

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S. Helle Ecole Nationale Supérieure de Chimie de Mulhouse Groupe Sécurité et Ecologie Chimiques 3, rue Alfred Werner 68093 Mulhouse Cedex France 3, rue Alfred Werner 68093 Mulhouse Cedex France

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S. Walter Ecole Nationale Supérieure de Chimie de Mulhouse Groupe Sécurité et Ecologie Chimiques 3, rue Alfred Werner 68093 Mulhouse Cedex France 3, rue Alfred Werner 68093 Mulhouse Cedex France

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Abstract  

The formation of alkali metal alcoxides by an alcohol reacting on the elemental metal itself cannot be completed under stoichiometric conditions. As a consequence of solvation, the chemical activity of the reacting alcohol is drastically reduced. Thus, the reaction cannot undergo completion without a large excess of alcohol with respect to the alkali metal. Moreover, solvation processes can drop the reaction kinetics down to nearly zero. When an excess of alkali metal is reacted with alcohol, the heat accumulated by solvation can be suddenly released by an addition of pure alcohol. Extremely dangerous thermal runaways can be started this way.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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