New approach to characterise physicochemical properties of solid substrates by inverse gas chromatography at infinite dilution

2002 ◽  
Vol 969 (1-2) ◽  
pp. 27-36 ◽  
Author(s):  
Tayssir Hamieh ◽  
Jacques Schultz
Keyword(s):  
Gas Chromatography ◽  
Physicochemical Properties ◽  
Infinite Dilution ◽  
Inverse Gas Chromatography ◽  
New Approach ◽  
Solid Substrates

Activity Coefficients at Infinite Dilution of Organic Compounds in 1-(Meth)acryloyloxyalkyl-3-methylimidazolium Bromide Using Inverse Gas Chromatography

2008 ◽  
Vol 112 (12) ◽  
pp. 3773-3785 ◽  
Author(s):  
Fabrice Mutelet ◽  
Jean-Noël Jaubert ◽  
Marek Rogalski ◽  
Julie Harmand ◽  
Michèle Sindt ◽  
...  
Keyword(s):  
Gas Chromatography ◽  
Organic Compounds ◽  
Activity Coefficients ◽  
Infinite Dilution ◽  
Inverse Gas Chromatography

scholarly journals Practical Determination of the Solubility Parameters of 1-Alkyl-3-methylimidazolium Bromide ([CnC1im]Br, n = 5, 6, 7, 8) Ionic Liquids by Inverse Gas Chromatography and the Hansen Solubility Parameter

Molecules ◽  
2019 ◽  
Vol 24 (7) ◽  
pp. 1346 ◽  
Author(s):  
Qiao-Na Zhu ◽  
Qiang Wang ◽  
Yan-Biao Hu ◽  
Xawkat Abliz
Keyword(s):  
Gas Chromatography ◽  
Ionic Liquids ◽  
Physicochemical Properties ◽  
Solubility Parameter ◽  
Room Temperature ◽  
Inverse Gas Chromatography ◽  
Retention Volume ◽  
Solubility Parameters ◽  
Hansen Solubility Parameter ◽  
Hansen Solubility

The physicochemical properties of four 1-alkyl-3-methylimidazolium bromide ([CnC1im]Br, n = 5, 6, 7, 8) ionic liquids (ILs) were investigated in this work by using inverse gas chromatography (IGC) from 303.15 K to 343.15 K. Twenty-eight organic solvents were used to obtain the physicochemical properties between each IL and solvent via the IGC method, including the specific retention volume and the Flory–Huggins interaction parameter. The Hildebrand solubility parameters of the four [CnC1im]Br ILs were determined by linear extrapolation to be δ 2 ( [ C 5 C 1 im ] Br ) = 25.78 (J·cm−3)0.5, δ 2 ( [ C 6 C 1 im ] Br ) = 25.38 (J·cm−3)0.5, δ 2 ( [ C 7 C 1 im ] Br ) =24.78 (J·cm−3)0.5 and δ 2 ( [ C 8 C 1 im ] Br ) = 24.23 (J·cm−3)0.5 at room temperature (298.15 K). At the same time, the Hansen solubility parameters of the four [CnC1im]Br ILs were simulated by using the Hansen Solubility Parameter in Practice (HSPiP) at room temperature (298.15 K). The results were as follows: δ t ( [ C 5 C 1 im ] Br ) = 25.86 (J·cm−3)0.5, δ t ( [ C 6 C 1 im ] Br ) = 25.39 (J·cm−3)0.5, δ t ( [ C 7 C 1 im ] Br ) = 24.81 (J·cm−3)0.5 and δ t ( [ C 8 C 1 im ] Br ) = 24.33 (J·cm−3)0.5. These values were slightly higher than those obtained by the IGC method, but they only exhibited small errors, covering a range of 0.01 to 0.1 (J·cm−3)0.5. In addition, the miscibility between the IL and the probe was evaluated by IGC, and it exhibited a basic agreement with the HSPiP. This study confirms that the combination of the two methods can accurately calculate solubility parameters and select solvents.

Infinite dilution activity coefficient of solvents in poly-3-hydroxybutyrate from inverse gas chromatography

2020 ◽  
Vol 522 ◽  
pp. 112742
Author(s):  
Anne C. Belusso ◽  
Maria Lina Strack ◽  
Lucas da S. Guadagnin ◽  
Débora J.L. Faccin ◽  
Nilo S.M. Cardozo ◽  
...  
Keyword(s):  
Gas Chromatography ◽  
Activity Coefficient ◽  
Infinite Dilution ◽  
Inverse Gas Chromatography ◽  
Infinite Dilution Activity Coefficient
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