Spectroscopic Analysis of Binary Mixed-Solvent-Polyimide Precursor Systems with the Preferential Solvation Model for Determining Solute-Centric Kamlet–Taft Solvatochromic Parameters

2015 ◽  
Vol 119 (46) ◽  
pp. 14738-14749 ◽  
Author(s):  
Alif Duereh ◽  
Yoshiyuki Sato ◽  
Richard Lee Smith ◽  
Hiroshi Inomata
Keyword(s):  
Spectroscopic Analysis ◽  
Mixed Solvent ◽  
Preferential Solvation ◽  
Solvatochromic Parameters ◽  
Solvation Model ◽  
Polyimide Precursor

Liquidus temperatures of some systems salt-dimethyl sulphoxide and solvate formation. Preferential solvation by dimethyl sulphoxide

1985 ◽  
Vol 50 (7) ◽  
pp. 1457-1464 ◽  
Author(s):  
Petr Pacák ◽  
Ivo Sláma
Keyword(s):  
Mixed Solvent ◽  
Preferential Solvation ◽  
Dimethyl Sulphoxide ◽  
Concentrated Solutions ◽  
Solvent Water ◽  
Spectroscopic Analyses ◽  
Infrared Spectroscopic ◽  
Liquidus Temperatures

Liquidus temperatures were measured for concentrated solutions of LiCl, CaCl2, ZnCl2, Zn(NO3)2, NaNO3 and Mg(NO3)2 in dimethyl sulphoxide. Crystalline solvates of salts with dimethyl sulphoxide which separated from these solutions were isolated and subjected to chemical and infrared spectroscopic analyses. It has been proved that in concentrated solutions in the mixed solvent water-dimethyl sulphoxide, the salts are preferentially solvated by dimethyl sulphoxide.

Solvation of sodium ions studied by 23Na nuclear magnetic resonance

1968 ◽  
Vol 46 (22) ◽  
pp. 3425-3430 ◽  
Author(s):  
E. G. Bloor ◽  
R. G. Kidd
Keyword(s):  
Infinite Dilution ◽  
Sodium Iodide ◽  
Mixed Solvent ◽  
Chemical Shifts ◽  
Preferential Solvation ◽  
Anomalous Behavior ◽  
Sodium Ion ◽  
Sodium Ions ◽  
Nitrogen Donor ◽  
Solvent Systems

The 23Na chemical shifts, extrapolated to infinite dilution, of solutions containing sodium iodide dissolved in 14 different oxygen or nitrogen donor organic solvents have been determined. The observed range of chemical shifts can be successfully related to changes in the paramagnetic term of the general nuclear screening equation. A fair correlation between the magnitude of the paramagnetic term and the Lewis basicity of the solvent has been drawn. Those solvents showing anomalous behavior are the ones for which large magnetic anisotropies are to be expected. The 23Na chemical shifts for two mixed solvent systems containing sodium iodide have been obtained, and these support the conclusion that preferential solvation of the sodium ion occurs.

Prediction of analytes' electrophoretic mobility in mixed solvent buffers using Abraham solvation parameters

2015 ◽  
Vol 7 (19) ◽  
pp. 8123-8128
Author(s):  
A. Jouyban ◽  
R. Fazeli-Bakhtiyari ◽  
A. Shayanfar ◽  
W. E. Acree
Keyword(s):  
Electrophoretic Mobility ◽  
Mixed Solvent ◽  
Background Electrolyte ◽  
Solvation Model ◽  
Predictive Equations ◽  
Solvation Parameters ◽  
Abraham Solvation Model

The electrophoretic mobility of analytes in different solvent compositions of the background electrolyte was calculated using a combined version of a previously developed model with the Abraham solvation model for providing predictive equations.

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