Artigo
Studies on double selenates. Part 12. Thermal decomposition of ammonium selenate and of double selenates of lanthanide, and yttrium, and ammonium
Registro en:
Thermochimica Acta, v. 239, n. C, p. 157-169, 1994.
0040-6031
10.1016/0040-6031(94)87064-0
WOS:A1994PC19400015
2-s2.0-2542635398
7471310113999140
8498310891810082
8460531302083773
0000-0002-7984-5908
Autor
Crespi, M.Spirandeli [UNESP]
Ribeiro, Clovis Augusto [UNESP]
Ionashiro, Massao [UNESP]
Resumen
Thermogravimetry (TG) up to 900°C, differential thermal analysis (DTA) up to 1100°C and gravimetric data up to 1200°C, have been used to study the thermal decomposition of ammonium selenate and of the double selenates of lanthanides, and yttrium, and ammonium. The results provided the composition and thermal stability and also an interpretation of the thermal decomposition mechanisms. © 1994. Instituto de Química de Araraquara Univeridade Estadual Paulista UNESP, Araraquara, SP, Caixa Postal 355, CEP, 14800-900 Araraquara Instituto de Química de Araraquara Univeridade Estadual Paulista UNESP, Araraquara, SP, Caixa Postal 355, CEP, 14800-900 Araraquara