The thermal decomposition of monohydrated ammonium oxotris(oxalate)niobate

Brazilian Journal of Chemical Engineering

Volumn 23, Issue 4, 2006, Pages 531-538

  Medeiros, F F P ^a   Moura, M F V ^a   Da Silva, A G P ^b   Souza, C P ^a   Gomes, K K P ^a   Gomes, U U ^a  

^a FEDERAL UNIVERSITY OF RIO GRANDE DO NORTE   (Brazil)

^b UNIVERSIDADE ESTADUAL DO NORTE FLUMINENSE DARCY RIBEIRO   (Brazil)

Author keywords

Infrared; Niobium complex; Thermal analysis; Thermal decomposition

Indexed keywords

AMORPHOUS MATERIALS; ARGON; CARBON DIOXIDE; CARBON MONOXIDE; CRYSTALLIZATION; INFRARED SPECTROSCOPY; PYROLYSIS; X RAY DIFFRACTION ANALYSIS;

ATOMIC STRUCTURE; MONOCLINIC NIOBIUM PENTOXIDE; NIOBIUM COMPLEX; ORTHORHOMBIC;

AMMONIUM COMPOUNDS;

EID: 34248173313     PISSN: 01046632     EISSN: None     Source Type: Journal    
DOI: 10.1590/S0104-66322006000400011     Document Type: Article

References (10)

1. Ciaravino, C., Medeiros, F.F.P., Souza, C.P., Satre, P. and Roubin, M., Elaboration of Mixed Tantalum and Niobium Carbides from Tantalite Mineral. J. of Materials Science. 37(10), pp.2117-2123 (2002).
2. Clar, E., Ph. D. Diss., Obtention et propriétés de carbures métalliques simples et mixtes à grain fin, Faculté des Sciences de L'Université de Lyon Université Lyon, France (1964).
3. Cotton, F.A. and Wilkinson, G., Química Inorganica, ITC, São Paulo, p.118 (1982).
4. Khrishnamurty, K.V. and Harris, G.M., The Chemistry of Metal Oxalates Complexes. Chem. Rev, 61, 3, pp. 213-246 (1961).
5. Marta, L., Zaharescu, M. and Macarovici, C.G., Thermal and Structural Investigation of Some Oxalates-Niobium Complexes 3. Strontium Tris(oxalate)oxoniobate. J. Thermal Analysis, 26, p. 87 (1983).
6. Marta, L., Zaharescu, M. and Macarovici, C.G., Thermal and Structural Investigation of Some Oxalate-niobium Complexes, Potassium Tris(oxalate) oxoniobate. Revue Roumains de Chimie, 24, 8, p.1115 (1979).
7. Mathern, G., Weiss R. and Rohmer, R., The Crystal Structures of Ammonium Oxotrioxalatoniobate Monohydrate and Ammonium Diperoxodioxalatoniobate Monohydrate. Chem. Comm., 70 (1969).
8. Medeiros, F.F.P., Silva, A.G.P. and Souza, C.P., Synthesis of Niobium Carbide at Low Temperature and Its Use in Hardmetal. Powder Technology 126, pp. 155-160 (2002).
9. Storms, E.K., Refractory Carbides - A Series of Monographs. Vol. II, Academic Press, New York and London, p. 61, 82 (1971).
10. Toth, L.E., Transition Carbides and Nitrides - A Series of Monographs. Vol. II, Academic Press New York and London, p. 14 (1971).