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  • 1
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 3
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 17 (1971), S. 38-42 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Isobaric vapor-liquid equilibrium data at atmospheric pressure are reported for seven systems, each consisting of water, an alcohol (methanol or ethanol), and an anhydrous acetate salt (of sodium, potassium, barium, or calcium) dissolved to saturation in the boiling liquid phase. These systems are intended to complete a matrix about the single system ethanol-water-potassium acetate for which data were reported previously.Solubility data are reported in terms of saturation salt concentration as a function of alcohol-water proportionality in the liquid. Sodium acetate as well as potassium acetate was found capable of eliminating completely the ethanol-water azeotrope.Major differences in the effects of these salts as compared to those reproted for other salts in the salt-effect literature were observed. Systems were discovered in which the salt appeared to cause both salting out and salting in of the alcohol in differing composition regions of the same system, the predominating effect depending on the relative proportions of alcohol and water. Systems were also discovered in which the salt salted-in the component in which it was less soluble. Both observed effects are in contradiction with previously accepted theories of salt effect in vapor-liquid equilibrium.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 18 (1972), S. 111-116 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Isobaric vapor-liquid equilibrium data at atmospheric pressure are reported for 17 systems, each consisting of water, an alchol (methanol or ethanol), and either a salt or a mixed pair of salts having a common anion, dissolved to saturation in the boiling liquid phase. The matris of four salts employed consisted of the sodium and potassium bromides and iodides. Solubility data are reported in terms of saturation salt concentration as a function of alcohol-water proportionality in the liquid.Some of these salts and salt mixtures were found capable of eliminating the ethanol-water azeotrope completely. Relative volatility was observed to be enhanced by as much as threefold in certain cases. Orders of effectiveness of both the cations and anions were in agreement with those observed by previous investigators of the effects of electroytes in mixed solvents. The value of the salt effect parameter was observed to undergo major variation as a function of alcohol-water mixed solvent proportionality in the methanol-water-salt systems, but to be remarkably constant throught the ethanol-water-salt systems. Synergistic effects of mixed salts on vapor-liquid equilibrium were observed in certain systems despite their apparent lack in the corresponding salt solubility relationships. In systems where synergistic effects did exist they were found to be dependent stronly on liquid composition, largely lacking in water-rich regions, and evident only in midrange and alcohol-rich regions of binary solvent composition. In some of these systems the salt appeared to cause both salting out and salting in of the alcohol in differing composition regions of the same system, the predominating effect depending on the relative proportions of alcohol and water present. This latter effect is in general contradiction with the accepted theories of salt effect in vapor-liquid equilibrium.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 20 (1974), S. 103-108 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Experimental data are presented for five systems, each consisting of water, an alcohol (methanol or ethanol), and an inorganic salt dissolved to saturation in the boiling liquid phase. The data confirm and extend knowledge of recently discovered anomalies to the general theory of salt effect in vapor-liquid equilibrium. A partial accounting for the observed anomalies is attempted based on recent advances in the understanding of the structural nature of alcohol-water mixtures.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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