While comprehensive two-dimensional gas chromatography coupled with mass spectrometry (GC×GC-MS) is a powerful analytical ...

PARTITION chromatography on paper 1 has not hitherto been reported for the analysis of riboflavine, its nucleotides and derivatives. However, ‘Collidine', and a butyl alcohol-acetic acid mixture ...

As the solvent soaks up the paper, it carries the mixtures with it. Different components of the mixture will move at different rates. This separates the mixture out.

There are several ways that you could investigate the composition of inks. This is an outline of the required steps to undertake one of these methods. It is important in this practical activity to ...