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Título: | The design, construction and testing of a microcombustion calorimeter suitable for organic compounds containing C, H and O |
Autor: | Dávalos, J.Z. CSIC ORCID ; Roux, María Victoria CSIC | Palabras clave: | Energy of combustion Microcalorimeter of combustion Enthalpy of combustion Enthalpy of formation |
Fecha de publicación: | 2000 | Editor: | IOP Publishing | Citación: | IOP Publishing 11(10): 1421 (2000) | Resumen: | To obtain reliable standard energies of combustion with small amounts of C, H, O compounds, a new microcombustion calorimetry system has been set up. The design, construction, calibration and measurement experiments are described. The system includes a commercial combustion bomb with an internal volume of 22 cm3. Samples of around 80 mg are suitable if one wants to retain the same levels of accuracy and reproducibility as those in macrocombustion experiments. Calibration of the calorimeter was performed using benzoic acid. ε(calorimeter) = 2083.74±0.48JK-1 was obtained. Combustion measurements using m-methoxybenzoic acid were made in order to verify the chemistry of the combustion process involved in the corresponding analysis of results and the accuracy of the measurement of combustion energy. The uncertainty of the results shows that the instrument described and the experimental procedure used for the determination of enthalpies of formation of compounds containing C, H and O provide a high reliability. | Versión del editor: | https://doi.org/10.1088/0957-0233/11/10/301 | URI: | http://hdl.handle.net/10261/271933 | DOI: | 10.1088/0957-0233/11/10/301 | ISSN: | 0957-0233 | E-ISSN: | 1361-6501 |
Aparece en las colecciones: | (IQF) Artículos |
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