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无水物

无水物是不含结晶水的物质，有时又称作无水盐。[1]更广义上地说，无水物不含一切形式的水分子，如游离水。

制备

大部分无水物可以通过加热、干燥等方式将水去除，如氯化钴的六水合物、硫酸铜的五水合物均可以通过加热得到无水物。而一些水合物在单独加热的时候会发生水解或分解，这时就需要借助于化学反应，如：

FeCl3·6H2O + SOCl2 → FeCl3 + HCl↑ + SO2 ↑

参考文献

  1. ^ Daintith, edited by John (2008). A dictionary of chemistry (6th ed.). Oxford: Oxford University Press. p. 37. ISBN 9780199204632.
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无水物
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