Paper chromatogram of two black inks

Paper chromatogram of two black inks

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Credit: FUNDAMENTAL PHOTOS/SCIENCE PHOTO LIBRARY

Caption: Paper chromatogram of two black inks ( Pelikan fountain pen ink left and black water-soluble marker pen right). The constituents of the inks may be identified by the distance they have moved along the filter paper in the time of the test, dependent both on their absorbtion on the cellulose fibres and the partition between the ink solvent and the water.

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Keywords: chemical, chemistry, chromatography, paper, paper chromatography

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