The specific heat of coal tar distillates
- 1 July 1957
- journal article
- research article
- Published by Wiley in Journal of Chemical Technology & Biotechnology
- Vol. 7 (7) , 401-405
- https://doi.org/10.1002/jctb.5010070711
Abstract
Specific heats of a large number of coal tar distillate fractions have been measured and the following relationship, which will predict values to an accuracy of ± 5% for the temperature range 20–180°, has been derived by means of statistically designed experiments: Cp = 1/d20 (0·1758 + 0·2138 d20 + 0·000861 t) + x(0·00216 – 0·00000528 ib) where Cp is the specific heat, cal./g.°cd20 is the density of the sample at 20°, g./ml.t is the temperature, ° ctb is the volumetric average boiling point of the sample, ° cx is the tar acid content, % by volume.Keywords
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