Effect of NaCl on the excess enthalpies of binary liquid systems

The excess molar enthalpies hE1+23 of ethanol+(water+NaCl), benzylalcohol+(water+NaCl), and cyclohexane+(methanol+NaCl) were measured at 298.15K, those of methanol+(water+NaCl) at 298.15 and 323.15K. An LKB flow microcalorimeter was used and a special flow-mix cell was developed with regard to the c...

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Bibliographic Details
Published inThermochimica acta Vol. 310; no. 1-2; pp. 87 - 94
Main Authors Friese, T, Schulz, S, Ulbig, P, Wagner, K
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 27.02.1998
Elsevier Science
Subjects
Alcohol
Chemical thermodynamics
Chemistry
Cyclohexane
Exact sciences and technology
Excess enthalpies
Flow calorimetry
General and physical chemistry
Mixtures
Sodium chloride
Thermodynamic properties
Water
Water
Alcohol
Flow calorimetry
Excess enthalpies
Sodium chloride
Cyclohexane
Ternary system
Salt effect
Ethanol
Hydrocarbon
Calorimetry
Experimental study
Organic compounds
Methanol
Sodium Chlorides
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Summary:The excess molar enthalpies hE1+23 of ethanol+(water+NaCl), benzylalcohol+(water+NaCl), and cyclohexane+(methanol+NaCl) were measured at 298.15K, those of methanol+(water+NaCl) at 298.15 and 323.15K. An LKB flow microcalorimeter was used and a special flow-mix cell was developed with regard to the corrosive electrolyte solutions. Knowing the integral enthalpy of solution and the solution enthalpy at infinite dilution for a salt (3) in a solvent (2), the molar excess enthalpy hE123 can be calculated.
ISSN:0040-6031
1872-762X
DOI:10.1016/S0040-6031(97)00386-9