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Why do you need to cover the beaker in thin layer chromatgraphy?

Sagot :

Answer:

When the spot of mixture is dry, the plate is stood in a shallow layer of solvent in a covered beaker. It is important that the solvent level is below the line with the spot on it. The reason for covering the beaker is to make sure that the atmosphere in the beaker is saturated with solvent vapor.

Answer:

To make sure that the atmosphere in the beaker is saturated with solvent vapor

Explanation:

Because the thin layer chromatography is a chromatographic technique used to separate the components of a mixture using a thin stationary phase supported by an inert backing.