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Chemistry - AQA GCSE

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Pregunta:

Chromotography required practical?

Autor: Miqdaam Hamed Hassan



Respuesta:

1)draw a pencil line across the chromatography paper, 1 - 2 cm from the bottom 2)use a pipette or capillary tube to add small spots of each ink to the line on the paper 3)place the paper into a container with a suitable solvent in the bottom 4)allow the solvent to move through the paper, but remove the chromatogram before it reaches the top 5)allow the chromatogram to dry, then measure the distance traveled by each spot and by the solvent


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