Abstract
Various preparations of hydrated tin (IV) oxides are reported. These are classed as α- or β- stannic acids according to their stability in concentrated hydrochloric acid. Precipitation in the cold gives α- stannic acid, whilst preparations at high temperature result in β- stannic acid; the former being of smaller particles than those of the latter.
The surface texture of these preparations have been characterised from their nitrogen adsorption isotherms. They have been subjected to thermogravimetric analysis (TG), differential thermal analysis (DTA) and X-ray diffraction. There is no formation of stoichiometric hydrates in the oxide system but water is adsorbed on the particles which can be identified as small crystallites of cassiterites (SnO2).
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© 1977 Springer Science+Business Media New York
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Dalgleish, B.J., Dollimore, D., Nowell, D.V. (1977). The Texture and Heat Treatment of Hydrated Tin (IV) Oxides. In: Wood, J., Lindqvist, O., Helgesson, C., Vannerberg, NG. (eds) Reactivity of Solids. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2340-2_55
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DOI: https://doi.org/10.1007/978-1-4684-2340-2_55
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