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Titolo:
Thermal studies on the solid-liquid phase transition in binary systems of fatty acids
Autore:
Zhang, JJ; Zhang, JL; He, SM; Wu, KZ; Liu, XD;
Indirizzi:
Hebei Normal Univ, Expt Ctr, Shijiazhuang 050016, Peoples R China Hebei Normal Univ Shijiazhuang Peoples R China 050016 6, Peoples R China Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China Chinese Acad Sci Beijing Peoples R China 100080 100080, Peoples R China Hebei Normal Univ, Dept Chem, Shijiazhuang 050016, Peoples R China Hebei Normal Univ Shijiazhuang Peoples R China 050016 6, Peoples R China
Titolo Testata:
THERMOCHIMICA ACTA
fascicolo: 1-2, volume: 369, anno: 2001,
pagine: 157 - 160
SICI:
0040-6031(20010322)369:1-2<157:TSOTSP>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENERGY-STORAGE MATERIALS; DIFFERENTIAL SCANNING CALORIMETRY; DSC;
Keywords:
heat storage; DSC method; binary system; fatty acids; solid-liquid phase transition; IR spectra at various temperatures;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Zhang, JJ Hebei Normal Univ, Expt Ctr, Shijiazhuang 050016, Peoples R China Hebei Normal Univ Shijiazhuang Peoples R China 050016 R China
Citazione:
J.J. Zhang et al., "Thermal studies on the solid-liquid phase transition in binary systems of fatty acids", THERMOC ACT, 369(1-2), 2001, pp. 157-160

Abstract

The solid-liquid phase transitions in lauric acid, palmitic acid. stearic acid and their binary systems have been studied by differential scanning calorimetry (DSC) and infrared spectroscopy at various temperatures. The temperatures of the solid-liquid phase transitions in binary systems are 32.84 /- 0.71 degreesC with DeltaH values of 146.5-195.1 J g(-1). The spectra shifts in the temperature range corresponding to the solid-liquid phase transition showed that the solid-liquid phase transition of fatty acids is related to intermolecular hydrogen bonds. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 07/07/20 alle ore 12:55:46