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GCSE Chemistry 2020-2022 OCR Gateway

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Pregunta:

How to set up Thin Layer Chromatography

Autor: go kys



Respuesta:

1. Draw a line, near the bottom of the plate [Pencil] Then put a Spot of the Mixture that is separated on the line 2. Put your Solvent into a Beaker. Dip the bottom of the Plate [Not the Spot] into the Solvent. 3. Put a watch Glass over your Beaker, to ensure the solvent wont evaporate away. 4. The Solvent will slowly go up the plate. The chemicals in the mixture dissolve in the Solvent and also move up 5. You will see then that the different chemicals in your sample separate out, making spots at different parts of the Plate 6. Now remove the Plate from the Beaker before the Solvent reaches the top. Make the Distance it has travelled [Pencil]


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Autor

go kys
go kys