Different substances travel through a piece of chromatography paper at different speeds. Paper chromatography uses this to separate mixtures of soluble substances. It provides clues on the possible ...

AN extensive literature on the quantitative paper chromatography of a large variety of organic compounds already exists. Most of these methods are based on: (a) measurement of the optical density of a ...

THE separation of several non-volatile carboxylic acids by paper chromatography has been described by Lugg and Overell 1,2. These workers found that it was impossible to carry out the separation with ...