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What factors play a role in separating pigments with paper chromatography?

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Quick Answer

When using paper chromatography, the solubility of the pigments, how attractive the paper is and the size of the particles influence the separation of pigments. The process of chromatography works to separate substance mixtures into their individual components.

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Full Answer

Paper chromatography is a common method, and it sets out to separate the different pigments that make up a specific ink or dye. Chromatography paper is always pure white in color so that it does not taint the ink samples. Solvents make their way up the paper and the different pigments in the ink or dye travel at different speeds. Once the process is complete, there will be spots of ink of the paper showing the different colors that make up the ink.

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