Abstract
Ferrous gluconate dihydrate (FeC12H22O14⋅2H2O), was prepared and its thermal decomposition was studied by means of simultaneous thermal analysis, supplemented with a two probe d.c. electrical conductivity measurements under the atmospheres of static air, dynamic air and dynamic nitrogen. Under all the atmospheres final product was found to be α-Fe2O3 with FeO, γ-Fe2O3, Fe3O4 etc. as probable intermediates. γ-Fe2O3 was formed under the atmosphere of dynamic air containing water vapour. γ-Fe2O3 thus synthesised was characterised for its structure, morphology, thermal and magnetic behaviour.
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References
D. J. Craik, ‘Magnetic Oxides’, Vol. 2, Wiley-Interscience, New York 1975.
D. Bloor, R. J. Brook, M. C. Flemings and S. Mahajan, ‘The encyclopaedia of Advanced Materials’, Pergamon Press, New York 1993.
H. Yokoyama et al., Panel displays: High density magnetic recording (ways to 50 nm/bit recording technology), Ferrites: Proceedings of the sixth international conference on ferrites (ICF-6), Tokyo and Kyoto, Japan 1992, p. 1381.
‘Magnetic Recording Hand Book-Technology and Applications’, (edts.) C. Denis Mee and Eric D. Daneil, Mc Graw-Hill Co., 1990.
A. J. Gellman, Current opinion in colloid and interface science, 3 (1998) 368.
K. Suresh, N. R. S. Kumar K. C. Patil, Adv. Mater. Comm., 30 (1991) 148.
C. N. R. Rao, J. Mater. Chem., 9 (1999) 1.
X. Ye, D. Liu, Z. Jio and L. Zhang, J. Phys. D. Application Phys., 31 (1998) 2739.
G. Monros, J. Carda, M. A. Tena, P. Escribano, J. Badenes and E. Cordoncillo, J. Mater. Chem., 5 (1995) 85.
H. Sesigur, E. Acma, O. Addemir and A. Tekin, Mater. Res. Bull., 31 (1996) 1573.
M. C. Blesa, E. Moran, J. D. Tornero, N. Menendaz, E. M. Zamora and J. M. Saniger, J. Mater. Chem., 9 (1999) 227.
G. S. Chopra, C. Real, M. D. Alcala, L. A. Perez-Maqueda, J. Subrt and J. M. Criado, Chem. Mater., 11 (1999) 1128.
V. Chhabra, M. Lal, A.N. Maitra and B. Ayyub, Colloid and polymer science, 273 (1995) 939.
A. Venkataraman, Bull. Mater. Sci., 16 (1993) 51.
A. Venkataraman and A. J. Mukhedkar, J. Thermal Anal., 36 (1990) 495.
M. M. Rahaman and A. Venkataraman, Ind. Products Finder (India), 22(8) (1994) 249.
A. Venkataraman, M. M. Rahaman, A. K. Nikumbh, V. A. Mukhedkar and A. J. Mukhedkar, Thermochem. Acta, 112 (1987) 237.
A. Venkataraman, J. Thermal Anal., 46 (1996) 219.
F. R. Sale and Yt. Chen, Ceram. Trans., 47 (1995) 155.
ASTM file Number 24.81.
E. Yihua and Ch. Li, Mater. Chem. and Phys., 51 (1997) 169.
J. B. Frank, G. Collin, H. Orn and J. McManus, J. Mater. Chem., 9 (1999) 223.
ASTM file Number 6.615.
ASTM file Number 19.629.
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Rahman, M.M., Venkataraman, A. Synthesis of γ-Fe2O3 by Thermal Decomposition of Ferrous Gluconate Dihydrate. Journal of Thermal Analysis and Calorimetry 68, 91–101 (2002). https://doi.org/10.1023/A:1014924601765
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DOI: https://doi.org/10.1023/A:1014924601765