Chemistry, asked by niyatee9159, 9 months ago

In the paper chromatography of a plant extract a ball pen cannot be used to mark the solvent front. why?

Answers

Answered by harinni92

Explanation:

The resins and colouring agents are miscible with other polar organic solvents that we use in the chromatography. So the ink also travels along with the mobile phase. ... Hence, a paper or sketch pen should never be used to draw a line either on Paper chromatography or a TLC sheet.

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