Solubility Measurement and Thermodynamic Properties of Levetiracetam in Pure and Mixed Solvents

2018 ◽  
Author(s):  
Shasha Li ◽  
Yong Liu ◽  
Fan Yin ◽  
Xiangli Ye
Keyword(s):  
Thermodynamic Properties ◽  
Mixed Solvents ◽  
Solubility Measurement ◽  
Pure And Mixed Solvents

Co-solvence phenomenon and thermodynamic properties of edaravone in pure and mixed solvents

2019 ◽  
Vol 138 ◽  
pp. 304-312 ◽  
Author(s):  
Rongrong Li ◽  
Lusha Yao ◽  
Arshad Khan ◽  
Bo Zhao ◽  
Dehua Wang ◽  
...  
Keyword(s):  
Thermodynamic Properties ◽  
Mixed Solvents ◽  
Pure And Mixed Solvents

Dissolution behavior and thermodynamic properties of apixaban in pure and mixed solvents

2020 ◽  
Vol 144 ◽  
pp. 105949 ◽  
Author(s):  
Cunbin Du ◽  
Yang Cong ◽  
Ying Zhang ◽  
Yi Xue ◽  
Bin Qiao ◽  
...  
Keyword(s):  
Thermodynamic Properties ◽  
Mixed Solvents ◽  
Dissolution Behavior ◽  
Pure And Mixed Solvents

Temperaturabhängigkeit der statischen Dielektrizitätskonstante und des optischen Brechungsindexes von Flüssigkeiten

1975 ◽  
Vol 30 (3) ◽  
pp. 287-291 ◽  
Author(s):  
I. Gryczyński ◽  
A. Kawski
Keyword(s):  
Dielectric Constant ◽  
Refractive Index ◽  
Dipole Moment ◽  
Dipole Moments ◽  
Mixed Solvents ◽  
Temperature Changes ◽  
Temperature Dependences ◽  
Solvent Shifts ◽  
Pure And Mixed Solvents ◽  
Good Agreement

A variation of the temperature changes the static dielectric constant (ε) and the refractive index (n) of solvents and, in conjunction with the measurement of solvent shifts of absorption and fluorescence maxima, allows the investigation of dipole moment changes of solutes in the excited state. For this purpose, investigations of the temperature dependences of ε and n of some pure and mixed solvents of different polarities have been made. It is found that the excited dipole moments of indole, 1,2-dimethylindole, 2,3-dimethylindole and tryptophan obtained from the shifts of the fluorescence maxima in mixed solvents at high temperatures are in good agreement with those obtained in other ways.

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