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Abstract

The nonlinearity parameter B/A, internal pressure, and acoustic impedance are calculated for a room temperature ionic liquid, i.e. for 1-ethyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide for temperatures from (288.15 to 318.15) K and pressures up to 100 MPa. The B/A calculations are made by means of a thermodynamic method. The decrease of B/A values with the increasing pressure is observed. At the same time B/A is temperature independent in the range studied. The results are compared with corresponding data for organic molecular liquids. The isotherms of internal pressure cross at pressure in the vicinity of 70 MPa, i.e. in this range the internal pressure is temperature independent.
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Authors and Affiliations

Edward Zorębski
Michał Zorębski
Marzena Dzida

Authors and Affiliations

Krzysztof Klimaszewski
Sebastian Borucki
Jacek Łuczak
Dariusz Zmarzły
Michał Kunicki
Andrzej Cichoń
Franciszek Witos
Czesław Leśnik
Dariusz Pleban
Milan Timko
Tomasz Rogala
Piotr Serafin
Tadeusz Gudra
Jerzy Filipiak
Dariusz Banasiak
Krzysztof Herman
Krzysztof Opieliński
Tomasz Hejczyk
Krzysztof Jasek
Mateusz Pasternak
Michał Grabka
Witold Kardyś
Andrzej Milewski
Adam Kawalec
Marta Okoń-Fąfara
Bartłomiej Fąfara
Aneta Olszewska
Piotr Pruchnicki
Marcin Wrzosek
Józef Nicpoń
Przemysław Podgórski
Tadeusz Pustelny
Marcin Szugajew
Olga Stec
Grzegorz Szerszeń
Daria Wotzka
Agnieszka Boruń
Adam Bald
Marzena Dzida
Sylwia Jężak
Monika Geppert-Rybczyńska
Katarzyna Kaczmarek
Tomasz Hornowski
Arkadiusz Józefczak
M. Kubovčíková
A. Skumiel
Z. Rozynek
M. Timko
Peter Kopcansky
Bogumił Linde
Vyacheslav N. Verveyko
Marina V. Verveyko
Darya V. Verveyko
Andrey Yu. Verisokin
Nikita S. Chebrov
Witold Mikulski
Danuta Augustyńska
Bożena Smagowska

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