Abstract
The undisturbed temperature equilibration of the vessel in an isoperibol calorimeter must follow an exponential time function. Any caloric effect within this vessel must cause a deviation of this function. A mathematical relation has been derived for linking the extent of this caloric effect and the integral of the temperature-time function. This algorithm has been utilized for a computer program capable for an automatic acquisition of the data of an appropriate digital temperature meter and for the automatic calculation of the calorimetric results. In two different calorimetric units these arrangements have been applied for the following determinations: -specific heat capacities of liquid samples -heats of chemical reactions -reaction rates -heats of vaporization of liquid samples.
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