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Modern Instrumental Techniques for Schools and Colleges: Infra-red Spectrometer

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The infra-red spectrometer - how it works

Modern instrumental techniques for schools and colleges infra red spectrometer

The infra-red spectrometer - how it works

Additional information

Click on the link to view this YouTube video from the RSC.

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Level

Use

Video

Category

Specification

England
- A/AS level
Scotland
- Advanced Higher
  - SQA Chemistry
    - Organic chemistry and instrumental analysis
      - Spectroscopy
        Infrared spectroscopy
        Infrared spectroscopy can be used to identify certain functional groups in an organic compound.
        The wavelengths which are absorbed to cause the vibrations (stretches and bends) will depend on the type of chemical bond and the groups or atoms at the ends of these bonds.
        In infrared spectroscopy, infrared radiation is passed through a sample of the organic compound and then into a detector which measures the intensity of the transmitted radiation at different wavelengths.
        Infrared absorbances are measured in wavenumbers, the reciprocal of wavelength, in units of cm⁻¹.
Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 7. Organic chemistry
      - 7.5 Chromatography and Instrumentation in Organic Chemistry
        Depth of treatment
        Infra-red absorption spectrometry (IR) as a 'fingerprinting' technique involving absorption of infra-red radiation (reference to molecular vibrations not required).

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