Densities and Viscosities of [Bmim][PF6] and Binary Systems [Bmim][PF6] + Ethanol, [Bmim][PF6] + Benzene at Several Temperatures and Pressures: Determined by the Falli
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- 作者：Yan Qiao ; Fangyou Yan ; Shuqian Xia ; Shen Yin ; Peisheng Ma
- 刊名：Journal of Chemical & Engineering Data
- 出版年：2011
- 出版时间：May 12, 2011
- 年：2011
- 卷：56
- 期：5
- 页码：2379-2385
- 全文大小：813K
- 年卷期：v.56,no.5(May 12, 2011)
- ISSN：1520-5134
文摘
A falling-body viscometer was designed and manufactured to determine the densities and viscosities of liquids at high temperatures and pressures. The densities and viscosities for pure [bmim][PF6], [bmim][PF6] + ethanol, and [bmim][PF6] + benzene binary systems were determined in the temperature range of (313.2 to 413.2) K and in the pressure range of (0.1 to 25.0) MPa. The viscosities of [bmim][PF6] + ethanol, and [bmim][PF6] + benzene binary systems were correlated with temperature, pressure, and composition by correlation equations. The correlation coefficients (R) are 0.999 and 0.999 for [bmim][PF6] + ethanol and [bmim][PF6] + benzene systems, respectively.