noun

• Chromatography employing a gas as the moving carrier medium.

  Compare with gas–liquid chromatography

  ‘In that study, AQ composition was confirmed by infrared spectroscopy, gas chromatography and thin-layer chromatography.’

  More example sentences

  • ‘Routine testing is done by employing gas chromatography coupled to high-resolution mass spectrometry, high-resolution mass spectrometry, and high-performance liquid chromatography.’
  • ‘The essential oil secreted by the hairs was analysed by chromatographic methods including gas chromatography / mass spectrometry and with a laser microprobe mass analyser.’
  • ‘Fatty acid concentrations were measured by gas chromatography of fatty acid methyl esters.’
  • ‘The charcoal tubes were desorbed with 1 ml of methylene chloride and analyzed by gas chromatography and mass spectrometry.’
  • ‘In this experiment, we used electrophoresis, gas chromatography, and spectral analysis to characterize the chemical cue released from the cloaca of males that provides information on local OSR.’
  • ‘This can then give a molecule with twice the expected molecular weight when analysis, such as gas chromatography, is undertaken.’
  • ‘Conventionally, preparation of samples for fatty acid analysis by gas chromatography involves two separate procedures: lipid extraction and methylation.’
  • ‘Following chemical degradation (monomerization, derivatization), the amounts of aliphatic and aromatic suberin monomers were analysed quantitatively by gas chromatography and mass spectrometry.’
  • ‘The effluent was analyzed for chemical oxygen demand, and the oxidation products were analyzed using gas chromatography.’
  • ‘Flavour and fragrance researchers rely heavily on standard analytical techniques such as gas chromatography and mass spectrometry.’
  • ‘The volatile profile of fruits determined by gas chromatography and mass spectroscopy is complex, including many alcohols, aldehydes and esters.’
  • ‘We measured the circumference of the waist and hips, and we analysed subcutaneous abdominal adipose tissue by gas chromatography for fatty acids.’
  • ‘The IBP team has applied gas chromatography and olfactometry to the problem.’
  • ‘Odors were collected from the headspace of individual flowers and analyzed by gas chromatography coupled to mass spectrometry.’
  • ‘We confirmed or established identification using a simple chemical test, the Marquis reagent and gas chromatography with mass-spectrometry detection.’
  • ‘To find steroid traces in urine, scientists use gas chromatography and mass spectrometry testing.’
  • ‘Ethylene was determined by gas chromatography as described above.’
  • ‘The OC levels were measured by gas chromatography with electron capture detection.’
  • ‘Acetic and lactic acid concentrations were determined by gas chromatography on silage samples from 1995.’