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  • 1
    Electronic Resource
    Electronic Resource
    Conductance and ion association in dimethylsulfite (1986)
    Springer
    Journal of solution chemistry 15 (1986), S. 663-673 
    Details
    ISSN: 1572-8927
    Keywords: Conductivities ; Ion association ; 1∶1 electrolytes ; acetone ; dimethylsulfite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The electrolytic conductances of LiClO4, LiAsF6, NaClO4 and the n-butylammonium salts Bu4NCl, Bu4NClO4, and Bu4NBPh4 (tetraphenylborate) have been determined in dimethylsufite at 25°C. Ion association constants calculated from these data are interpreted in terms of solvent-separated ion pairs (for LiClO4, LiAsF6, and NaClO4), and contact ion pairs (for the n-butyl-ammonium salts). Comparisons are made for analogous electrolytes in acetone, and in which all salts form contact ion pairs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644598
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Conductance of 1∶1 electrolytes in methyl acetate (1989)
    Springer
    Journal of solution chemistry 18 (1989), S. 977-991 
    Details
    ISSN: 1572-8927
    Keywords: Conductivity ; 1∶1 electrolytes ; methyl acetate ; ion pairs ; triple ions ; ion solvation ; activity coefficients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The electrolytic conductances of NaClO4, NaB(C6H5)4, (n-C4H9)4NClO4 and (n-C4H9)4NPF6 have been measured in methyl acetate at 25°C. A dominating feature of these electrolyte solutions is, as expected, strong ion pairing. In addition it is found that the formation of triple ions makes an important contribution to the overall molar conductivities. The data suggest that there are strong ion-solvent interactions leading to structure-enhanced (after Diamond) ion association and triple ion formation which has an exact analogy in the phenomena of salting-in. The effects of increasing solution permittivity and viscosity are discussed, particularly in regard to comparing two models of treating conductivity data. The first model includes ion pairs and triple ions, and the second model ignores triple ion formation ascribing the anomalous increase in molar conductivities to a decrease in the ion association equilibrium constant caused by increasing solution permittivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647897
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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