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Density, Viscosity, and CO2 Solubility in the Ionic Liquid Mixtures of [bmim][PF6] and [bmim][TFSA] at 313.15 K
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2017-12-29 00:00:00 , DOI: 10.1021/acs.jced.7b00786 Daisuke Kodama 1 , Kayoko Sato 1 , Masaki Watanabe 1 , Toshiya Sugawara 1 , Takashi Makino 2 , Mitsuhiro Kanakubo 2
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2017-12-29 00:00:00 , DOI: 10.1021/acs.jced.7b00786 Daisuke Kodama 1 , Kayoko Sato 1 , Masaki Watanabe 1 , Toshiya Sugawara 1 , Takashi Makino 2 , Mitsuhiro Kanakubo 2
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The density and viscosity of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]), 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)amide ([bmim][TFSA]), and their mixtures were measured at 313.15 K and at atmospheric pressure. Furthermore, the CO2 solubilities and the CO2-saturated densities of [bmim][PF6], [bmim][TFSA], and their mixtures were determined at 313.15 K and pressures up to 8.5 MPa using a volume-variable high-pressure apparatus. The ionic liquid mixtures were prepared at the mole fractions of [bmim][PF6] of 0.25, 0.50, and 0.75. The CO2 solubilities in both the mole fraction and molarity scales increased with the composition of [bmim][TFSA], and the pressure-mole fraction curves showed a typical behavior for the physical absorption. The CO2-saturated density of the ionic liquid phase decreased with increasing the composition of [bmim][PF6] and the pressure. Excess volumetric properties were calculated from the pressure–volume–mole fraction relations.
中文翻译：
[bmim] [PF 6 ]和[bmim] [TFSA]在离子液体混合物中的密度，粘度和CO 2溶解度在313.15 K
1-丁基-3-甲基咪唑六氟磷酸盐（[bmim] [PF 6 ]），1-丁基-3-甲基咪唑二双（三氟甲烷磺酰基）酰胺（[bmim] [TFSA]）的密度和粘度在313.15 K，并且在大气压下。此外，[bmim] [PF 6 ]，[bmim] [TFSA]以及它们的混合物的CO 2溶解度和CO 2饱和密度是在313.15 K和最高8.5 MPa的压力下使用体积可变的高沸点色谱仪测定的。压力装置。制备[bmim] [PF 6 ]的摩尔分数为0.25、0.50和0.75的离子液体混合物。一氧化碳2摩尔分数和摩尔尺度的溶解度均随[bmim] [TFSA]的组成而增加，压力-摩尔分数曲线显示出典型的物理吸收行为。离子液相的CO 2饱和密度随着[bmim] [PF 6 ]的组成和压力的增加而降低。根据压力-体积-摩尔分数的关系计算出多余的体积特性。
更新日期：2017-12-31
中文翻译：
[bmim] [PF 6 ]和[bmim] [TFSA]在离子液体混合物中的密度，粘度和CO 2溶解度在313.15 K
1-丁基-3-甲基咪唑六氟磷酸盐（[bmim] [PF 6 ]），1-丁基-3-甲基咪唑二双（三氟甲烷磺酰基）酰胺（[bmim] [TFSA]）的密度和粘度在313.15 K，并且在大气压下。此外，[bmim] [PF 6 ]，[bmim] [TFSA]以及它们的混合物的CO 2溶解度和CO 2饱和密度是在313.15 K和最高8.5 MPa的压力下使用体积可变的高沸点色谱仪测定的。压力装置。制备[bmim] [PF 6 ]的摩尔分数为0.25、0.50和0.75的离子液体混合物。一氧化碳2摩尔分数和摩尔尺度的溶解度均随[bmim] [TFSA]的组成而增加，压力-摩尔分数曲线显示出典型的物理吸收行为。离子液相的CO 2饱和密度随着[bmim] [PF 6 ]的组成和压力的增加而降低。根据压力-体积-摩尔分数的关系计算出多余的体积特性。
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