Mixture separation - extraction

Article no. P7151000 | Type: Experiments

10 Minutes
10 Minutes
grades 7-10
easy
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Student set General Chemistry, TESS advanced Chemistry

Article no. 25300-88 | Type: Set

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Student set General Chemistry digital, TESS advanced Chemistry

Article no. 25300-88D | Type: Set

Principle

Mixtures can be "decomposed" by various separation processes into their component parts. One of these separation process is the so-called "extraction", wherein with the aid of an extraction agent only one component is dissolved from a solid or liquid mixture. In this  experiment students "wash out"  dyes are by extraction from leaves. The leaves with mixed with sand and alcohol in a mortar into a homogeneous mass and then the mixture is filtered through a filter in an Erlenmeyer flask.

 

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