期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 56, 期 1, 页码 14-20出版社
AMER CHEMICAL SOC
DOI: 10.1021/je1006357
关键词
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资金
- Ministerio de Educacion y Ciencia of Spain [CTQ2007-61272, CTQ2007-61788, RYC-2008-02388]
- CEE [PITN-GA-2008-216011]
- Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) [PGIDIT04BTF301031PR]
- LSRE [FEDER/POCI/2010]
In this work, the ionic liquids 1-ethyl-1-methylpyrrolidinium ethylsulfate [EMpyr][ESO(4)], 1-n-butyl-1-ethylpyrrolidinium ethylsulfate [BEpyr][ESO(4)], 1-n-butyl-1-methylpyrrolidium methylsulfate [BMpyr][MSO(4)], and triethylmethylammonium methylsulfate [E(3)MN][MSO(4)] were synthesized, and their experimental densities, speeds of sound, dynamic viscosities, and refractive indices were studied as a function of temperature at atmospheric pressure. Thermal expansion coefficient, molar volume, and molar refraction of these ionic liquids were calculated from the experimental density and refractive index values. A thermal analysis for pyrrolidinium and ammonium-based ionic liquids at temperatures between T = (253.15 and 363.15) K is presented.
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