4.8.3.7 - flame emission spectroscopy

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5 Terms

1
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what is flame emission spectroscopy

an example of an instrumental method used to analyse metal ions in solutions.

2
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what are two uses of flame emission spectroscopy

  • Identify metal ions in a sample

  • determine the concentration of metal ions in dilute solutions

3
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how does flame emission spectroscopy work

  • the sample is put into a flame

  • the light given out is passed through a spectroscope

  • the intensity and wavelength of the light emitted is measured

  • the output is a line spectrum that can be analysed to identify the metal ions in the solution and measure their concentrations.

4
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what is a strength of flame emission spectroscopy

works with mixtures of ions

5
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how can ions be identified using flame emission spectroscopy

comparing the sample spectrum to reference spectra