Distillation: nf Distillation is the treatment of a liquid by heat, making it possible to isolate its volatile constituents and to recover part of it by condensation. Distillation is the fundamental operation in the manufacture of alcohols. Alcohol being lighter than water, it evaporates at a lower temperature than it; when we heat an alcoholic liquid to a temperature between the two respective boiling points, we can retain the vapors that are released ...
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