15.
Beilstein Tests for halogenated organic compounds
Samples of the products in experiment
13 and experiment 14 can be tested
for their halogens by the Beilstein test.
Another halogenated product to be tested
is the insulation of the electric wire used for the Beilstein test (PVC).
Samples of hexane, other hydrocarbons
as well as halogen-free plastic materials are tested as control.