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Titolo:
The dehydration of phosphates monitored by DSC/TGA and in situ Raman spectroscopy
Autore:
de Jager, HJ; Prinsloo, LC;
Indirizzi:
Univ Pretoria, Dept Chem, ZA-0002 Pretoria, South Africa Univ Pretoria Pretoria South Africa ZA-0002 -0002 Pretoria, South Africa Univ Pretoria, Inst Appl Mat, ZA-0002 Pretoria, South Africa Univ Pretoria Pretoria South Africa ZA-0002 -0002 Pretoria, South Africa
Titolo Testata:
THERMOCHIMICA ACTA
fascicolo: 2, volume: 376, anno: 2001,
pagine: 187 - 196
SICI:
0040-6031(20010907)376:2<187:TDOPMB>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Keywords:
phosphates; Raman; TGA; DSC;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Prinsloo, LC Univ Pretoria, Dept Chem, ZA-0002 Pretoria, South Africa UnivPretoria Pretoria South Africa ZA-0002 a, South Africa
Citazione:
H.J. de Jager e L.C. Prinsloo, "The dehydration of phosphates monitored by DSC/TGA and in situ Raman spectroscopy", THERMOC ACT, 376(2), 2001, pp. 187-196

Abstract

Phosphates can be thermally dehydrated to polyphosphates or metaphosphates. This is an important reaction in the preparation of glasses, catalysts and flame retardants. In this study, we have monitored the dehydration process of potassium and sodium dihydrogen phosphates, using in situ Raman spectroscopy, thermal analysis, X-ray powder diffraction and infrared spectroscopy. We obtained a : good correlation between the thermal data and the structural phase transitions observed during the reactions, using Raman and infrared spectroscopy. Deuteration of the samples assisted us in assigning some of the vibrational bands. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/08/20 alle ore 15:10:34