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Carbon Dioxide Solubility in 1-hexyl-3-methylimidazolium Bis(trifluormethylsulfonyl)imide in a Wide Range of Temperatures and Pressures

Carbon Dioxide Solubility in 1-hexyl-3-methylimidazolium Bis(trifluormethylsulfonyl)imide in a Wide Range of Temperatures and Pressures

Javid Safarov, Rena Hamidova, Martin Stephan, Ismail Kul, Astan Shahverdiyev, Egon Hassel

J Phys Chem B. 2014 Jun 19;118(24):6829-38.

PMID: 24848716

Abstract:

Solubility measurement data of carbon dioxide (CO2) in the ionic liquid 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [HMIM][NTf2] at T = 273.15-413.15 K and pressures up to p = 4.5 MPa using an isochoric method in decrements of ΔT = 20 K are presented. The temperature dependency of the Henry's law constant was calculated, and the average deviation of the Henry's law constant is always better than ±1%. Thermodynamic properties of solution such as the free energy of solvation, the enthalpy of solvation, the entropy of solvation, and the heat capacity of solvation were calculated to evaluate the solute-solvent molecular interactions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP382150507	1-Hexyl-3-methylimidazolium bis(trifluormethylsulfonyl)imide		382150-50-7	Price
AP817575067	3-Methyl-1-propylpyridinium bis(trifluormethylsulfonyl)imide		817575-06-7	Price

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