chromatography paper

How Does Paper Chromatography Work BBC Bitesize?

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How Does Paper Chromatography Work BBC Bitesize? Chromatography is a method of separating mixtures by using a moving solvent on filter paper. … The solvent flows along the paper through the spots and on, carrying the substances from the spot. Each of these will, if the solvent mixture has been well chosen, move at a

Why Will Ink Travel Through Water And Up A Filter?

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Why Will Ink Travel Through Water And Up A Filter? On a coffee filter, the water in the ink carries the pigment onto the paper. When the ink dries, the pigment remains on the paper. When you dip the paper in water, the dried pigments dissolve. As the water travels up the paper, it carries