CORRECTION: This story was updated on Dec. 16, 2015, to correct the description of distillation and to clarify the separation difficulty posed by azeotropes. A new method for heating liquid mixtures ...

Listen to the full series on BBC Sounds. Fractional distillation works because the different liquids have different boiling points. When the mixture is heated: vapours rise through a column which is ...

The U.S. chemical industry includes producers of industrial gases, large-volume commodity chemicals and polymers, chemical products for agricultural and medicinal uses, and performance-targeted ...

Simple distillation close simple distillationSeparation method used to separate a solvent from a solution. is a method for separating the solvent from a solution. For example, water can be separated ...

In chemistry, solvents (generally in liquid form) are used to dissolve, suspend or extract other materials, typically without chemically altering either the solvent or the other materials. Solvents ...