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Determination of vapor pressure and thermal decomposition using thermogravimetrical analysis

Title data

Heym, Florian ; Korth, Wolfgang ; Etzold, Bastian ; Kern, Christoph ; Jess, Andreas:
Determination of vapor pressure and thermal decomposition using thermogravimetrical analysis.
In: Thermochimica Acta. Vol. 622 (20 December 2015) . - pp. 9-17.
ISSN 0040-6031
DOI: https://doi.org/10.1016/j.tca.2015.03.020

Official URL: Volltext

Abstract in another language

Vapor pressure and thermal stability of substances are important material properties with regard to industrial application. For high boiling samples their determination is laborious, and discrimination between evaporation and thermal decomposition is difficult. In this work, a general procedure is presented to determine the parameters of thermal decomposition as well as evaporation by thermogravimetrical analysis (TGA) at ambient pressure and high vacuum. In this context, the results of TG-experiments with two ionic liquids [EMIM][Ntf2] and [EMIM][MeSO3] are analyzed. Based on the kinetics of thermal decomposition, the concept of maximum allowable operation temperature is proposed and discussed as an alternative to the onset-temperature.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Thermobalance; Maximum operation temperature; Vapor pressure; Thermal decomposition; TGA; Ionic liquids
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Chemical Engineering
Faculties > Faculty of Engineering Science > Chair Chemical Engineering > Chair Chemical Engineering - Univ.-Prof. Dr.-Ing. Andreas Jess
Faculties
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 11 Feb 2016 07:36
Last Modified: 11 Feb 2016 07:36
URI: https://eref.uni-bayreuth.de/id/eprint/30603