Abstract
THE anthracite of the Don has been investigated by the derivatographic method of F. Paulik, J. Paulik and L. Erdey1. By this method it is possible, by a single, automatically recorded measuring process, to obtain not only the thermogravimetric curve showing the change in weight of the sample (TG in Fig. 1) but also the rate of loss of weight (DTG) and the differential thermal analysis curve (DTA), giving information on the changes in temperature during thermal decomposition. The temperature curve (T), with the assistance of a calibration curve previously photographed on the paper, gives the temperature corresponding to each point obtained.
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References
Paulik, F., Paulik, J., and Erdey, L., Z. anal. Chem., 160, 241 (1958).
Paulik, F., and Weltner, M., Acta Chim. Acad. Sci. Hung., 16, Fasc. 2, 159 (1958).
Lermusiaux, A., and Quinot, E., Chim. et Indust., Paris, 77, 517 (1957).
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WELTNER, M. Derivatographic Investigation of the Anthracite of the Don. Nature 183, 1254–1256 (1959). https://doi.org/10.1038/1831254a0
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DOI: https://doi.org/10.1038/1831254a0
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