- Find out properties of the selected plastics in process of burning. Describe the flame – its colour, smoke production, odour.
- Carry out a flame test to determine presence of halogens .
- Explain the essence and importance of Beilstein´s test.
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- burner, scissors, incombustible mat, tongs, copper wire, samples of different plastic materials (PE, PP, PS, PVC)
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- Carry out an experiment to test combustibility of plastic materials. Observe and describe the changes in phases of the materials during the process of burning, describe the flame – its colour, smoke production, odour. Identify the character of fumes by means of universal indicator paper at the end of the test.
- Describe the experiment in words.
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