Viscosity ^-Coefficient for Sodium Bromide in Formamide–Water Mixtures

J. Domenech, S. Rivera

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    13 Citations (Scopus)

    Abstract

    The viscosities of sodium bromide solutions in formamide-water mixtures have been determined at 25, 30, 35 and 40°C. From these data, the β-coefficient of the Jones-Dole equation has been calculated. This coefficient increases gradually with increasingformamide content in the solvent. On the other hand, the ß-values increase with increasing temperature from Xh2o = 0.60 to higher water compositions, showing the opposite trend in the remaining composition range. These changes in theβ-coefficient are interpreted in terms of solvent –solvent and ion –solvent interactions. Finally a comparison of β-coefficient for sodium bromide in formamide-water and dimethylformamide-water mixtures was carried out. © 1983, R. Oldenbourg Verlag.
    Original languageEnglish
    Pages (from-to)153-161
    JournalZeitschrift fur Physikalische Chemie
    Volume136
    Issue number136
    DOIs
    Publication statusPublished - 1 Jan 1983

    Keywords

    • B-coefficient
    • Formamide-water
    • Sodium bromide

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