Labtermo: Methodologies for the calculation of the corrected temperature rise in isoperibol calorimetry

被引:0
|
作者
L. M. N. B. F. Santos
M. T. Silva
B. Schröder
L. Gomes
机构
[1] Faculdade de Ciências da Universidade do Porto,Centro de Investigação em Química, Departamento de Química
[2] Universidade Fernando Pessoa,Faculdade de Ciências de Saúde
关键词
calorimetry; corrected temperature rise; extrapolation method; heat exchange corrections; isoperibol calorimetry; Labtermo; Regnault-Pfaundler method; true temperature rise;
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摘要
In isoperibol temperature-rise calorimetry, different approaches can lead to the corrected temperature rise. The description of the methodology, as well as an improvement in the approach to the accurate numerical calculation of the corrected temperature rise in isoperibol calorimetry, based on the comparison between the exponential functional description of the initial and final periods and an independent third order polynomial fitting, is presented. The latter is focused on the strategy of minimizing the result dependency on the definition of the main period of the reaction. Furthermore, the dedicated software application Labtermo is introduced.
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页码:175 / 180
页数:5
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