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Carbon response characteristics of a micro-flame ionization detector
Taylor C Hayward1, Kevin B Thurbide
1Department of Chemistry, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada.
A new micro-flame ionization detector (muFID) shows similar hydrocarbon response reproducibility and relative sensitivity to conventional flame ionization detectors (FID). However, the muFID
Area of Science:
- Analytical Chemistry
- Instrumental Analysis
Background:
- Flame ionization detectors (FIDs) are crucial for hydrocarbon analysis.
- A novel micro-flame ionization detector (muFID) with a unique flame geometry has been developed.
Purpose of the Study:
- To comprehensively evaluate the carbon response characteristics of the muFID.
- To compare the performance of the muFID against a conventional FID.
Main Methods:
- Direct comparison of ionization measurements between muFID and conventional FID.
- Analysis of various hydrocarbon compounds.
- Assessment of response reproducibility and sensitivity.
Main Results:
- muFID and conventional FID exhibit comparable reproducibility (%R.S.D. < 2%) and normalized sensitivity (< 4%) for hydrocarbons.
- Conventional FID shows approximately three times higher absolute sensitivity than the explored hydrogen-rich muFID mode.
- Discrepancy in absolute sensitivity attributed to differences in flame stoichiometry.
Conclusions:
- The muFID demonstrates performance on par with conventional FIDs for relative measurements.
- Flame stoichiometry is a key factor influencing the absolute sensitivity of FIDs.
- Further optimization of muFID design may enhance absolute sensitivity.
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