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Dependence of the viscosities of some organic aliphatic acids on temperature and molar volume

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Abstract

The viscosities of some aliphatic acids were measured in the vicinity of the melting point with a Höppler viscosimeter. The dependence of the viscosity on the molar volume permitted calculation of the covolume, which is compared to that obtained from structural data.

Résumé

On a, à l'aide d'un viscosimètre de Höppler mesuré la viscosité de quelques acides organiques au voisinage du point de fusion. Le covolume déduit de la formule de Batschinski a été comparé à celui calculé à partir du modèle structural.

Zusammenfassung

Mit Hilfe eines Viskosimeters nach Höppler wurde die Viskosität einiger organischer Säuren in der Nähe ihres Schmelzpunktes gemessen. Das aus der Formel von Batschinski abgeleitete Kovolumen wurde mit dem aus dem Strukturmodell berechneten verglichen.

Резюме

С помощью вискозимет ра Хëпплера была изме рена вязкость некоторых а лифатических кислот в области точк и плавления. Зависимо сть вязкости от молярног о объема позволяет вычислить кообъем, который срав нивали с тем, что был получен из стр уктурных данных.

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Additional information

The authors thank the CNR (Roma) for financial aid (CT 73.00872.03).

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Berchiesi, G., Leonesi, D. & Cingolani, A. Dependence of the viscosities of some organic aliphatic acids on temperature and molar volume. Journal of Thermal Analysis 9, 171–179 (1976). https://doi.org/10.1007/BF01909380

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  • DOI: https://doi.org/10.1007/BF01909380

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