Abstract
A double salt, unlike a clathrate compound, will have a definite stoichiometry. Provided the starting proportions of the separate salts comprising the double salt are kept within certain limits, the compound which first crystallizes will be the double salt. This can be more easily understood by reference to the appropriate phase diagram, see Figure 7. A double salt is formed from a three-component system, comprising two separate salts and water, and at a given temperature this may be represented by a triangular diagram. The properties of such a phase diagram are fully described in standard physical chemistry texts and the student is referred to any of these for amplification of the selected points given below.
Phase diagram of a three-component system.
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© 1974 Geoffrey Pass and Haydn Sutcliffe
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Pass, G., Sutcliffe, H. (1974). Double salts. In: Practical Inorganic Chemistry. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2744-0_8
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DOI: https://doi.org/10.1007/978-94-017-2744-0_8
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-412-16150-6
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