Abstract
WHEN copper sulphate pentahydrate is dehydrated in a vacuum at room temperature, the resulting product, of composition copper sulphate monohydrate, possesses no evident crystal structure as shown by X-ray examination1. When the amorphous product is heated, crystallization occurs as shown by the appearance of the X-ray lines of the crystalline monohydrate2.
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References
Kohlschutter and Nitschmann, Z. phys. Chem., Bodenstein Festband, 494 (1931).
Frost, Moon, and Tompkins, Canad. J. Chem., 29, 604 (1951).
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SPECKEN, G., McCALLUM, K. Recrystallization of Amorphous Copper Sulphate Monohydrate. Nature 185, 758–759 (1960). https://doi.org/10.1038/185758a0
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DOI: https://doi.org/10.1038/185758a0
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