2.1.13

Flame Emission Spectroscopy

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Flame Emission Spectroscopy

Flame emission spectroscopy is an instrumental method used to identify the metal ions present in a solution and their concentrations.

The process

The process

Place a sample of a metal solution into a flame. Light is emitted.

Spectroscopes

Spectroscopes

The light that is emitted is captured by a spectroscope.
- This instrument can distinguish between different wavelengths of light to produce a line spectrum.

Flame Emission Spectroscopy Analysis

We can analyse the line spectra produced by flame emission spectroscopy to see which metal ions are present. We can also work out the concentration of the metal ions.

Identity of metal ions

Identity of metal ions

Each metal ion will generate a distinct line spectrum. This means that we can identify all ions present in a solution.

Concentration of metal ions

Concentration of metal ions

The intensity of line spectra gives information about the concentration of an ion.

Reference spectra

Reference spectra

Unlike flame tests, flame emission spectroscopy allows us to analyse mixtures by comparing them with reference spectra.

1

Biology

1.1

Practicals

1.1.1Microscope & Bacteria 1.1.2Bacteria 1.1.3Osmosis Tests 1.1.4Osmosis & Food Tests 1.1.5Enzymes 1.1.6Enzymes 2 1.1.7Photosynthesis & Plant Responses 1.1.8Photosynthesis Experiments 1.1.9Reaction Time 1.1.10Quadrats 1.1.11Decay

2

Chemistry

2.1

Practicals

2.1.1Salts 2.1.2Neutralisation 2.1.3Titration 2.1.4Electrolysis 2.1.5Electrolysis 2 2.1.6Rate of Reaction 2.1.7Rate of Reaction 2 2.1.8Chromatography 2.1.9Identifying Gases 2.1.10Identifying Gases 2 2.1.11Identifying Ions 2.1.12Carbonates, Halides & Sulfates 2.1.13Flame Emission Spectroscopy 2.1.14Water Purification 2.1.15Water Purification 2

3

Physics

3.1

Practicals

3.1.1Specific Heat Capacity 3.1.2Thermal Capacity & Insulation 3.1.3Latent Heat 3.1.4Resistance & Current 3.1.5Resistance & Current 2 3.1.6Density 3.1.7Density 2 3.1.8Force & Extension - Springs 3.1.9Waves - Ripple Tank 3.1.10Light 3.1.11Light Reflection & Refraction 3.1.12Radiation 3.1.13Radiation 2

Jump to other topics

1

Biology

1.1

Practicals

1.1.1Microscope & Bacteria 1.1.2Bacteria 1.1.3Osmosis Tests 1.1.4Osmosis & Food Tests 1.1.5Enzymes 1.1.6Enzymes 2 1.1.7Photosynthesis & Plant Responses 1.1.8Photosynthesis Experiments 1.1.9Reaction Time 1.1.10Quadrats 1.1.11Decay

2

Chemistry

2.1

Practicals

2.1.1Salts 2.1.2Neutralisation 2.1.3Titration 2.1.4Electrolysis 2.1.5Electrolysis 2 2.1.6Rate of Reaction 2.1.7Rate of Reaction 2 2.1.8Chromatography 2.1.9Identifying Gases 2.1.10Identifying Gases 2 2.1.11Identifying Ions 2.1.12Carbonates, Halides & Sulfates 2.1.13Flame Emission Spectroscopy 2.1.14Water Purification 2.1.15Water Purification 2

3

Physics

3.1

Practicals

3.1.1Specific Heat Capacity 3.1.2Thermal Capacity & Insulation 3.1.3Latent Heat 3.1.4Resistance & Current 3.1.5Resistance & Current 2 3.1.6Density 3.1.7Density 2 3.1.8Force & Extension - Springs 3.1.9Waves - Ripple Tank 3.1.10Light 3.1.11Light Reflection & Refraction 3.1.12Radiation 3.1.13Radiation 2

Practice questions on Flame Emission Spectroscopy

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1
What can flame emission spectroscopy determine about a solution?Fill in the list
2
What is flame emission spectroscopy used to identify?Multiple choice
3
What is the output of spectroscopes?Multiple choice
4
What feature of a line spectrum provides information about the concentration of a metal ion?Multiple choice

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Carbonates, Halides & Sulfates

Water Purification