Chromatography Of Filter Tip Pen Inks
by Science Photo Library
Title
Chromatography Of Filter Tip Pen Inks
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Paper chromatography. Coloured streaks left by different colour inks in a paper chromatography experiment. Felt-tip pens were used to make coloured spots on filter paper. The end of the filter paper is then dipped into water. As the water diffuses upwards, it carries dye molecules along with it. The higher the solubility of the molecule in water, the further up the paper it travels.
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August 3rd, 2016
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