Prediction of critical temperature of n-alkanes and n-alkenes from surface tension vs. temperature data |
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Authors: | K. S. Birdi |
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Affiliation: | (1) School of Pharmacy Department of Analytical and Pharmaceutical Chemistry Universitetsparken-2 2100 Copenhagen, Denmark, DK |
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Abstract: | The surface tension versus temperature data of homologous series of n-alkanes and n-alkenes is analyzed. Critical temperatures are shown to be predicted from these data, with a very high precision, after some corrections are made. The corrections are shown to arise from the effect of the critical pressure on the extrapolated data to surface tension approaching zero. Received: 29 October 1996 Accepted: 13 December 1996 |
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Keywords: | Surface tension critical temperature surface entropy alkanes alkenes |
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