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Step 9Extracting the plant pigments
You will need a large mortar and pestle, some sand, the plant leaves, and the organic solvents for this step.
Cut up the plant leaves (say with scissors) and grind with the sand in the mortar, add 20mL 1:1 acetone:hexane and continue to grind until the juice is very green and gets no greener. You can experiment with how many leaves you need to get the juice its greenest. Draw off with an eye-dropper and put in a vial (or spot onto the plates directly)
Cut up the plant leaves (say with scissors) and grind with the sand in the mortar, add 20mL 1:1 acetone:hexane and continue to grind until the juice is very green and gets no greener. You can experiment with how many leaves you need to get the juice its greenest. Draw off with an eye-dropper and put in a vial (or spot onto the plates directly)
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