dilluns, 18 d’abril del 2016

CHROMATOGRAPHY

This week we´ve been working in a new practice: Chromatography.
This technique can be used to separate mixtures of coloured compounds.
We used chard and spinach leaves to separate their pigments. We've cut the leaves in small pieces,mash them, mix them with alcohol and sand and filter it... Do you want to Know more about this practice? Watch this video!



 

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