A paper chromatogram can also be used to identify substances by comparing them with known substances. Two substances are likely to be the same if: they produce the same number of spots, and these ...

AN automatic scanning technique employing a Geiger–Müller tube for the location and estimation of radioactive substances separated on unidimensional paper chromatograms has been described 1. The ...

Chromatography is used to separate the given components of a mixture that have differing solubilities in a solvent. It can be used to separate coloured substances in a mixture, like the inks in this ...

SINCE the technique of paper partition chromatography is generally inapplicable to fat-soluble substances, we have investigated the use of alumina impregnated filter paper for this purpose. We have ...