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Studies on molar volume and rheology of terbium soaps in a benzene-DMF mixture

Untersuchungen zum Molvolumen und zur Rheologie von Terbiumseifen in Benzol-DMF

  • Anorganische Und Physikalische Chemie
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Summary

Molar volume (V), apparent molar volume (φv), and fluidity (ψ) of terbium soaps in benzene-DMF (7:3 v/v) were evaluated at constant temperature from density and viscosity measurements. The results were used to determine the critical micelle concentration (CMC), soap-solvent and soap-soap interactions, and the effect of the chain length of soap molecules on various parameters. The molar volume and viscosity results are discussed in terms of known relations.

Zusammenfassung

Molvolumen (V), scheinbares Molvolumen (Φv) und Fluidität (Ψ) von Terbiumseifen in einer Mischung aus Benzol undDMF (7:3 v/v) wurden bei konstanter Temperatur aus Dichte-und Viskositätsmessungen ermittelt. Aus den Ergebnissen wurden die kritische Micellenkonzentration (CMC), Seifen-Lösungsmittel- und Seifen-Seifen-Wechselwirkungen sowie der Effekt der Kettenlänge der Seifenmoleküle auf verschiedene Parameter bestimmt. Die Resultate bezüglich Molvolumen und Viskosität werden anhand bekannter Beziehungen diskutiert.

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Authors and Affiliations

  1. Department of Chemistry, Institute of Basic Sciences, 282002, Khandari, Agra, India

    K. N. Mehrotra & N. Sharma

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  1. K. N. Mehrotra
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  2. N. Sharma
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Mehrotra, K.N., Sharma, N. Studies on molar volume and rheology of terbium soaps in a benzene-DMF mixture. Monatsh Chem 127, 257–264 (1996). https://doi.org/10.1007/BF00813790

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  • DOI: https://doi.org/10.1007/BF00813790

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