A Simple General Relationship between the Dielectric Losses Measured on Divided Solids and Adsorption Thermodynamic

Autor:	J. Vanderschueren, J. C. Giuntini, J. Niezette, J. M. Douillard, V. Mouton, J. V. Zanchetta
Rok vydání:	1997
Předmět:	Chemistry Thermodynamics Surfaces and Interfaces Conductivity General relationship Condensed Matter Physics Polarization (waves) Molecular sieve Adsorption Electrochemistry General Materials Science Dielectric loss Zeolite Spectroscopy
Zdroj:	Langmuir. 13:1016-1019
ISSN:	1520-5827 0743-7463
DOI:	10.1021/la951031o
Popis:	Dielectric losses measured on zeolite sample have been investigated to correlate these measurements with surface thermodynamic. The polarization conductivity measurement allows the determination of variables which are linked to the adsorption enthalpies and entropies but also to the system dynamic. To quantitatively interpret the results, it is necessary to know the energetic heterogeneity of the solid sample. The thermally stimulated current measurement (TSDC) appears as a possible tool. Therefore this new method of studying adsorption by combining two techniques seems promising. This paper is an introduction to the work under development.
Databáze:	OpenAIRE
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