Septum Piercing Needle. Plunger. Barrel. SPME Fiber. Cutaway view of SPME fiber in manual holder. Determination of BTEX Compounds in Ambient Air Using Solid Phase Microextraction Gas Chromatography-Mass Spectrometry. Christopher L. Marcum 1 ; Bert C. Lynn 2.
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Cutaway view of SPME fiber in manual holder
Determination of BTEX Compounds in Ambient Air Using Solid Phase Microextraction Gas Chromatography-Mass Spectrometry
Christopher L. Marcum1; Bert C. Lynn2
Results and Discussion
tR= 2.65 min
m-Xylene and/or p-Xylene
tR= 3.83 min
tR= 3.71 min
The chromatogram (top) is from a SPME fiber exposed for 6 hours in the chemistry department copy room. The peaks labeled A-D were identified as the BTEX compounds shown above. Chromatograms were obtained from each location and the peak areas were examined in order to compare the locations.
1 – Chemistry Copy Room
2 – Chemistry Office
3 – Intellectual Property Office
4 – ASTeCC Copy Room
5 – ASTeCC Conference Room
6 – Outside ASTeCC
1 – Nitrogen Only
2 – Printer Off
3 – Printer On
4 – Printer Printing