calibration thumb

Different calibration schemes are used for different instruments.

Calibration of all instrumentation is rigorous and conducted with high-frequency.

  • CRDS

    The cavity ring-down spectrometer (CRDS) is used to measure carbon dioxide and methane.

  • GC-MD and GC-ECD

    The gas chromatorgraph-electron capture detector (GC-ECD) is used to measure nitrous oxide and sulphur hexafluoride while the gas chromatograph-multi detector (GC-MD) also measures hydrogen and carbon monoxide.

  • Medusa-GCMS

    The Medusa gas chromatograph-mass spectrometer (Medusa-GCMS) can measure a wide range of trace gas species through the use of pre-concentration techniques.

Last updated: 11 February 2016

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