gas chromatography
gas chromatography
Definition
gas chromatography
noun
chromatography in which a gas, often nitrogen, combines with a vaporized mixture that is then passed through a long column of adsorbent material to identify its constituents
gas chromatography
Usage Examples
Converse of object
- use: However, they can be measured in expired air using gas chromatography.
- couple: All samples were analyzed by high resolution gas chromatography coupled with high or low resolution mass spectrometry ( GC-MS ) at CSL.
- include: Further analysis methods include gas chromatography coupled with FID, ECD, MS and HPLC employing derivatisation methods.
Converse of subject
- analyze: Results The food samples were analyzed by static headspace gas chromatography with mass spectrometric detection at CSL Food Science Laboratory, Norwich.
Adjective modifier
- inverse: The use of inverse phase gas chromatography to study the glass transition temperature of a powder surface.
- high: All samples were analyzed by high resolution gas chromatography coupled with high or low resolution mass spectrometry ( GC-MS ) at CSL.
Modifies a noun
- mass: For GP1, the extract was analyzed directly with gas chromatography mass spectrometry ( GC-MS ).
- spectrometry: For GP1, the extract was analyzed directly with gas chromatography mass spectrometry ( GC-MS ).
- instrument: We have developed lightweight gas chromatography instruments to measure halocarbons.
Noun used with modifier
- headspace: The method of analysis used was based on a headspace gas chromatography ( GC ) method developed for an earlier project.
- resolution: All samples were analyzed by high resolution gas chromatography coupled with high or low resolution mass spectrometry ( GC-MS ) at CSL.
Preposition: with
- detection: The hydrocarbon composition was determined by gas chromatography with flame ionization detection.
Browse dictionary entries near gas chromatography
- gas chamber
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