The Solvation of Anions in Propylene Carbonate

被引：34
|
作者：
Peruzzi, Niccolo [1 ,2 ]
Lo Nostro, Pierandrea [1 ,2 ]
Ninham, Barry W. [3 ]
Baglioni, Piero [1 ,2 ]
机构：
[1] Univ Florence, Dept Chem Ugo Schiff, I-50019 Florence, Italy
[2] Univ Florence, CSGI, I-50019 Florence, Italy
[3] Res Sch Phys Sci & Engn, Canberra, ACT 0200, Australia
来源：
JOURNAL OF SOLUTION CHEMISTRY | 2015年 / 44卷 / 06期
关键词：
Hofmeister series; Propylene carbonate; Specific ion effects; Ion solvation; Solvent structure; ALKALI-METAL HALIDES; ETHYLENE CARBONATE; THERMODYNAMIC PROPERTIES; DIELECTRIC-PROPERTIES; ELECTROLYTES; CONDUCTANCE; LITHIUM; LIQUID; SOLUBILITY; VISCOSITY;
D O I：
10.1007/s10953-015-0335-z
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The solubilities of some univalent potassium salts (KF, KCl, KBr, KI, KClO4, KSCN, and KCNO) in propylene carbonate (PC) were determined at different temperatures from (25.0 to 45.0) A degrees C through flame emission spectroscopy. From the solubility measurements, the thermodynamic parameters a dagger G (0), a dagger H (0) and a dagger S (0) of solution were calculated. Measurements were carried out via electrical conductimetry and FTIR to investigate the formation of ion pairs and the ion-solvent interactions. This study was motivated by the open question of whether specific ion (Hofmeister) effects are related to the structure of the solvent (i.e., hydrogen bonding). As for water, these effects are due to solute-induced solvent structure changes not accounted for by electrostatic forces.
引用
收藏
页码：1224 / 1239
页数：16
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