Further insights into the kinetics of thermal decomposition during continuous cooling
Following the previous work (Phys. Chem. Chem. Phys., 2016, 18, 32021), this study continues to investigate the intriguing phenomenon of thermal decomposition during continuous cooling. The phenomenon can be detected and its kinetics can be measured by means of thermogravimetric analysis (TGA). The...
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| Published in: | Physical chemistry chemical physics : PCCP Vol. 19; no. 29; p. 18836 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
England
26.07.2017
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| ISSN: | 1463-9084, 1463-9084 |
| Online Access: | Get more information |
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| Summary: | Following the previous work (Phys. Chem. Chem. Phys., 2016, 18, 32021), this study continues to investigate the intriguing phenomenon of thermal decomposition during continuous cooling. The phenomenon can be detected and its kinetics can be measured by means of thermogravimetric analysis (TGA). The kinetics of the thermal decomposition of ammonium nitrate (NH
NO
), nickel oxalate (NiC
O
), and lithium sulfate monohydrate (Li
SO
·H
O) have been measured upon heating and cooling and analyzed by means of the isoconversional methodology. The results have confirmed the hypothesis that the respective kinetics should be similar for single-step processes (NH
NO
decomposition) but different for multi-step ones (NiC
O
decomposition and Li
SO
·H
O dehydration). It has been discovered that the differences in the kinetics can be either quantitative or qualitative. Physical insights into the nature of the differences have been proposed. |
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| Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
| ISSN: | 1463-9084 1463-9084 |
| DOI: | 10.1039/c7cp00573c |