Flame Tests for Positive Ions
- Created by: Niamh Bush
- Created on: 30-04-13 16:38
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- Flame Tests for Positive Ions
- Used in forensic science
- Compounds of some metals burn with a characteristic colour
- Lithium produces a crimson flame
- Sodium produces a yellow flame
- Potassium produces a lilac flame
- Calcium produces a red flame
- Barium produces a green flame
- Dip a clean wire loop into a sample of the compound and put the loop in the blue part of the Bunsen burner flame.
- Make sure that the loop is clean by dipping it into hydrochloric acid and rinsing it with distilled water
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