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paper chromatography
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A beaker holds a strip of paper showing separated colored ink spots from a chromatography experiment. Five small jars of different colored inks with stirring rods are lined up beside it.
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A beaker holds a strip of paper showing separated colored ink spots from a chromatography experiment. Five small jars of different colored inks with stirring rods are lined up beside it.
paper chromatography Simple paper chromatography with various inks.

paper chromatography

chemistry
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History

paper chromatography, in analytical chemistry, technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper. It is an inexpensive but powerful analytical tool that requires very small quantities of material. The method consists of applying the test solution or sample as a spot near one corner of a sheet of filter paper. The paper is initially impregnated with some suitable solvent to create a stationary liquid...

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