Exhibition chemistry

The reaction between aluminium and bromine

By 2008-11-01T00:00:00

image - exhibition chemistry - main

A spectacular demonstration performed in a glass jar

My PGCE tutor at the University of Exeter, Keith Simpson, showed me this spectacular demonstration of the highly exothermic reaction between aluminium foil and bromine performed in a gas jar.

The Al-Br2 reaction 

Before attempting this demonstration practise the experiment using smaller quantities first. CLEAPSS recommends a small-scale procedure suitable for use in schools: working in a fume cupboard, add 0.25 g aluminium foil to 1 ml of bromine in a borosilicate boiling tube. Then, if you want to, gradually increase the quantities used to those suggested. For any variation on the method described here, follow the safety tips. Risk assessment is the employer's responsibility. 

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