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Salt-effect distillation
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Look up <i>salt-effect distillation</i> in Wiktionary, the free dictionary. <p>Salt-effect distillation is a method of <a href="/facts/Extractive_distillation/FIfkSbkW">extractive distillation</a> in which a <a href="/facts/Salt_(chemistry)/lsSKwGpn">salt</a> is <a href="/facts/Dissolution_(chemistry)/JVM6j8R1">dissolved</a> in the mixture of liquids to be distilled. The salt acts as a separating agent by raising the <a href="/facts/Relative_volatility/TY9ynnC6">relative volatility</a> of the mixture and by breaking any <a href="/facts/Azeotrope/ItfBAN1N">azeotropes</a> that may otherwise form. The technique is first attested in writings on alcohol attributed to <a href="/facts/Jabir_ibn_Hayyan/qUTxy4kA">Jabir ibn Hayyan</a> (9th c. CE). </p>