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A group contribution method for estimating heat of vaporization at 298 K

✍ Scribed by Fuming Chen

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
469 KB
Volume
46
Category
Article
ISSN
0009-2509

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✦ Synopsis

For the purpose of estimating accurately heat of vaporization at 298 K(AHz,298), this paper proposes a group contribution method based on the quasi-chemical lattice theory. The precision of the proposed method is higher than that of any previous group contribution method. The mean deviation between calculated and experimental AH i,298 1s only 1.1% for the 288 hydrocarbons and l-substituted

hydrocarbons examined. The method can also be applied to the estimation of AH:,,,, for multi-substituted hydrocarbons.

INTRODUCTlON

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