Mixture separation - chromatography

Article no. P7151101 | Type: Experiments

10 Minutes
10 Minutes
grades 5-7
Pupils
medium
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Also part of:

Student set Substances in everyday usedigital, TESS beginner Sciences

Article no. 15234-88D | Type: Set

Student set Substances in everyday use, TESS beginner Sciences

Article no. 15234-88 | Type: Set

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Principle

Pigments can be separated by chromatography. Pigments which appear to be of a uniform colour can in reality be composed of several different-coloured substances. A further segregation of the prepared leaf pigment and a felt-tipped pen ink are shown in this experiment.

Benefits

  • Experiment guides are very easy to understand, especially for younger students
  • Associated competences are directly linked to the experiments
  • Curriculum compatible
  • Fit for the future: implementation of tablets possible

 

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