| 离子液体N-丙基-吡啶二氰胺盐[C3py][DCA]水溶液的体积和表面性质 |
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| 引用本文： | 邢楠楠,王莉雨,余意,姚健,刘可峰,牛凯旋.离子液体N-丙基-吡啶二氰胺盐[C3py][DCA]水溶液的体积和表面性质[J].井冈山大学学报（自然科学版）,2020,41(3):29-33. |
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| 作者姓名： | 邢楠楠 王莉雨 余意 姚健 刘可峰 牛凯旋 |
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| 作者单位： | 黄山学院化学化工学院,安徽,黄山 245041;黄山学院化学化工学院,安徽,黄山 245041;黄山学院化学化工学院,安徽,黄山 245041;黄山学院化学化工学院,安徽,黄山 245041;黄山学院化学化工学院,安徽,黄山 245041;黄山学院化学化工学院,安徽,黄山 245041 |
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| 基金项目： | 安徽省教育厅自然科学项目（KJHS2018B15）；黄山学院自然科学研究项目（2018xkjq016）；安徽省大学生创新训练计划项目（201810375110） |
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| 摘 要： | 在T=(288.15～318.15)K温度范围内,测定了不同质量摩尔浓度的离子液体N-丙基-吡啶二氰胺C_3py]DCA]水溶液的密度和表面张力。根据密度值计算了不同浓度C_3py]DCA]水溶液的平均摩尔体积和热膨胀系数,水溶液平均摩尔体积随着温度和质量浓度的升高而增大,热膨胀系数随着温度的升高而增大。并提出了一种估算水溶液表面张力的经验方程。预测值与实验值具有较好的一致性。
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| 关 键 词： | 离子液体 密度 表面张力 经验方程 |
| 收稿时间： | 2020/1/7 0:00:00 |
| 修稿时间： | 2020/3/16 0:00:00 |
VOLUME AND SURFACE PROPERTIES OF AQUEOUS N-BUTYL-PYRIDINIUM DICYANAMIDE [C3py] [DCA] |
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| XING Nan-nan,WANG Li-yu,YU Yi,YAO Jian,LIU Ke-feng and NIU Kai-xuan.VOLUME AND SURFACE PROPERTIES OF AQUEOUS N-BUTYL-PYRIDINIUM DICYANAMIDE [C3py] [DCA][J].Journal of Jinggangshan University(Natural Sciences Edition),2020,41(3):29-33. |
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| Authors: | XING Nan-nan WANG Li-yu YU Yi YAO Jian LIU Ke-feng and NIU Kai-xuan |
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| Institution: | College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China,College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China,College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China,College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China,College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China and College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui 245041, China |
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| Abstract: | The density and surface tension of aqueous N-butyl-pyridinium dicyanamide ionic liquidC3py] DCA] of various molarities were determined at T=(288.15 to 318.15) K. The average molar volume and the coefficient of thermal expansion for these solutions were calculated. The values of average molar volume increase with the increasing temperature and molarity. The coefficient of thermal expansion increases with the increasing temperature. An empirical equation for estimating the surface tension of the aqueousC3py] DCA] was put forward, and the estimated values are all most the same with the corresponding experimental ones. |
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| Keywords: | ionic liquid density surface tension empirical equation |
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