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Chromatography of sweets

Description

In this experiment you will remove the dye from the surface of various Smarties® or M&M'S®. Chromatography will then show all the different substances used to produce each colour for the sweets.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
chromatography-of-sweets



Apparatus Chemicals

Beaker (250 cm3)

Small soft paint brush

Paper clips (preferably plastic coated), 2

Chromatography paper, approximately 20 cm x 10 cm (Note 1)

Pencil

Ruler

A communal hairdryer (optional) (Note 2)

A supply of M&M’S® of various colours (Note 3 and 4)

None

Refer to Health & Safety and Technical notes section below for additional information.

 


 


 





In this experiment you will remove the dye from the surface of various Smarties® or M&M'S®. Chromatography will then show all the different substances used to produce each colour for the sweets.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.