Saturated Heat Capacities of Some Linear and Branched Alkylbenzenes between (332 and 401) K

The saturated heat capacities of some linear alkylbenzenes (ethylbenzene, propylbenzene, butylbenzene, hexylbenzene, 1-phenylheptane, and 1-phenylhexadecane) and branched alkylbenzenes (m-xylene, cumene, (1-methylpropyl)benzene, (1,1-dimethylethyl)benzene, and (2-methylpropyl)benzene) in the tempera...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2006-01, Vol.51 (1), p.123-126
Main Authors: Páramo, Ricardo, Zouine, Mohammed, Sobrón, Francisco, Casanova, Carlos
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Noncondensed benzenic compounds
Organic chemistry
Preparations and properties
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Summary:The saturated heat capacities of some linear alkylbenzenes (ethylbenzene, propylbenzene, butylbenzene, hexylbenzene, 1-phenylheptane, and 1-phenylhexadecane) and branched alkylbenzenes (m-xylene, cumene, (1-methylpropyl)benzene, (1,1-dimethylethyl)benzene, and (2-methylpropyl)benzene) in the temperature range from (332.15 to 401.15) K have been measured. A Calvet calorimeter C80D from Setaram (France) with batch cells modified from the standard vessels of Setaram, along with the “step by step method”, has been used to perform the measurements. The estimated uncertainty of the saturated heat capacities was better than 0.5 % for the substances with higher purity and of the order of 1 % for the others. In the literature there exists c sat(T) data for some of the liquids studied. Agreement with our measurements is within the range of the experimental uncertainties.
ISSN:0021-9568
1520-5134
DOI:10.1021/je050273f