Chromatography of Food-Safe dyes and Colored Inks

This is a short Unit of work on the topic of Chromatography. It is an investigation of the dyes used to make up the colours in a coating of a popular chocolate beanie. It also incorporates the testing of coloured dyes in water-soluble marking pens used by children. This pack includes:

* One PowerPoint presentation (presentation framework)(16 slides)
* One laboratory procedure and report write-up booklet
* One pre-lab research task
* One assessment Rubric
* One photographic guide sheet for the procedure

The laboratory activity booklet can be printed and distributed for immediate use. Suits a group (max. 3 students) or individual use in gifted classes.

A photographic guide sheet has been prepared and can be printed in colour, laminated and distributed for visual clarification of the steps in the laboratory procedure associated with this investigation.