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Question

Define the term paper chromatography.


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Solution

  • Chromatography: The process of separation of different dissolved components of a mixture by absorbing them over an appropriate adsorbent medium, is called chromatography.
  • Paper chromatography: If a filter paper is used as an adsorbent medium for the separation of various components of a mixture using Chromatography, then this method of separation is called Paper chromatography.
  • Paper chromatography is used to separate two soluble solids which are present in solution in very small quantities.
  • This method is based on their solubility.
  • For example Black ink contains a number of different colored dyes in it. By paper chromatography, different components of black ink can be separated.


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