Flame Emission Spectroscopy

Question 1

Process of Flame Emission Spectroscopy

Answer 1

• sample of metal ion in solution is passed through flame
• light given out is passed into a spectroscope
• detects different wavelengths of line to produce a line spectrum
• position of lines in the spectrum are specific for a given metal ion

Question 2

Pros of flame emission spectroscopy

Answer 2

• tells the concentration of a metal ion in a solution
• given the lines become more intense at higher concentrations
• sample containing multiple metal ions are all identifiable on the line spectrum

Question 3

Pros of this Instrumental method

Answer 3

• very rapid
• sensitive, works even on a small sample of metal compound
• accurate, more likely to correctly identify the metal ion correctly

Question 4

How does Flame Emission Spectroscopy work?

Answer 4

• metal ions emit light when heated
• wavelengths of the light are specific to that metal ion
• every metal ions produces a unique line spectrum
• combination of wavelengths emitted depends on it’s charge and electron arrangement