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Term Definition Article Siehe auch
Wikipedia: FID
Flame ionisation detector
Most prevalent detector in gas chromatography (can detect all substances which contain at least one CHn unit).
flash point:
Wikipedia: flash point
The lowest temperature at which a mixture of the substance with air under normal pressure can be ignited with e.g. a spark. Flash points can be measured with an open cup (o.c.) or closed cup (c.c.) method. Values measured with an open cup are usually higher than those measured with a closed cup. explosion limits, autoignition temperature
fluorescence detector:
Wikipedia: fluorescence detector
Detector for (dissolved) substances with fluorescent molecular building blocks (e.g. polycyclic aromatics) and that exhibits high sensitivity.
Wikipedia: FPD
Flame photometric detector:
very selective gas chromatographic detector for compounds containing S or Sn atoms.
free enthalpy:
Wikipedia: free enthalpy
Thermodynamic state function that can be calculated from enthalpy and entropy of a chemical reaction. The change in free enthalpy of an isothermic and isobaric reaction determines the direction of that reaction. heat of reaction
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pages/glossary.php: November 09, 2022