One of the mysteries of the English language finally explained.
A crystalline salt having the composition of a mixture of two simple salts but with a different crystal structure from either.
- ‘An exothermic dressing flux, usually containing nitrate salts and silicofluoride double salts, can be used to recover much of this entrapped zinc.’
- ‘Double salts commonly form large crystals more readily than do the single salts that make them up.’
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