VARIOUS adaptations of filter-paper to chromatography have been published 1–4; the following technique has advantages of simplicity of apparatus, speed, reproducibility, and particular ...
In the activity below, you can try chromatography to separate colors in a mixture ... and shape of the pigment also has something to do with how it moves along the filter paper and where it finally ...
using potato starch–based slabs 1 —a considerable step forward from the filter paper–based approaches that had prevailed previously. It was also around this time that starch helped launch ...