http://www.cnr.it/ontology/cnr/individuo/prodotto/ID39459
Composition dependence and the nature of endothermic freezing and exothermic melting. (Articolo in rivista)
- Type
- Label
- Composition dependence and the nature of endothermic freezing and exothermic melting. (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.2711179 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ferrari C.; Tombari E.; Salvetti G.; Johari G.P. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- Art. No. 124506 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- IPCF - CNR
McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7 Canada (literal)
- Titolo
- Composition dependence and the nature of endothermic freezing and exothermic melting. (literal)
- Abstract
- The heat capacity, C-p, and enthalpy and entropy change of alpha-cyclodextrin, H2O, and 4-methylpyridine solutions have been studied during their freezing on heating, isothermal freezing, and the solid's melting on cooling. Freezing occurs in several endothermic steps on heating to 383 K and alpha-cyclodextrin rich solutions freeze in four steps. The melting rate becomes slower with decrease in temperature and its steps merge. Decreasing the amount of alpha-cyclodextrin decreases the C-p change on freezing. The endothermic freezing phenomenon differs from freezing of a pure liquid and is attributed to formation of a solid inclusion compound and its incongruent way of exothermic melting. (literal)
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