Thermophysical properties of hydroxyl ammonium ionic liquids
The thermophysical properties of hydroxyl ammonium ionic liquids: density �, T = (293.15 to 363.15) K; dynamic viscosity η, T = (298.2 to 348.2) K; and refractive indices n<sub>D</sub>, T = (293.15 to 333.15) K have been measured. The coefficients of thermal expansion α, values were c...
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| Main Authors: | , , |
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| Format: | Citation Index Journal |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://eprints.utp.edu.my/241/1/paper.pdf http://www.scopus.com/inward/record.url?eid=2-s2.0-59349101852&partnerID=40&md5=820109ff29f5daf82c17bbdabbfeb88a http://eprints.utp.edu.my/241/ |
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| Institution: | Universiti Teknologi Petronas |
| Summary: | The thermophysical properties of hydroxyl ammonium ionic liquids: density �, T = (293.15 to 363.15) K; dynamic viscosity η, T = (298.2 to 348.2) K; and refractive indices n<sub>D</sub>, T = (293.15 to 333.15) K have been measured. The coefficients of thermal expansion α, values were calculated from the experimental density results using an empirical correlation for T = (293.15 to 363.15) K. The variation of volume expansion of ionic liquids studied was found to be independent of temperature within the range covered in the present work. The thermal decomposition temperature 'T<sub>d</sub>' for all the six hydroxyl ammonium ionic liquids is also investigated using thermogravimetric analyzer (TGA). © 2008 Elsevier Ltd. All rights reserved.
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