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Paper 4Theory (Extended)1 marks
Paper chromatography is a technique used in laboratories to separate mixtures of substances.
Description
Paper Chromatography Process
In this process, a small spot of the mixture is placed on chromatography paper. A solvent is then allowed to move up the paper, carrying the components of the mixture with it. After the solvent has traveled a certain distance, a locating agent is applied to visualize the separated components.
- a[1]
State the purpose of a locating agent in paper chromatography.
Aim for approximately 1 distinct marking point.
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