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describe the techique of paper chromatograpy.
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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.
Paper chromatography is an analytical method used to separate colored chemicals or substances. It is primarily used as a teaching tool, having been replaced by other chromatography methods, such as thin-layer chromatography.
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In paper chromatography, substances are distributed between a stationary phase and a mobile phase. ... When a colored chemical sample is placed on a filter paper, the colors separate from the sample by placing one end of the paper in a solvent.
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