Table 1

Comparison of analyte peak areas under identical conditions using the 7-μm PDMS fiber (A) and divinylbenzene/Carboxen/PDMS fiber (B).

AnalyteFiber AFiber BChange with fiber B (%)
Ethyl acetate59179121160+104.7
Ethyl butyrate147851294160+99.0
Ethyl isovalerate163942313727+91.4
Isobutanol133080200421+50.6
Isoamyl acetate162419301209+85.5
3-methyl-1-butanol268053409945+52.9
Ethyl hexanoate163660264506+61.6
Hexyl acetate166418244838+47.1
Ethyl lactate75940103511+36.3
Hexanol135111182800+35.3
Ethyl octanoate7647355733−27.1
Ethyl decanoate8076617934−77.8
Diethyl succinate13880316180−88.3
2-Phenethyl acetate9850225275−74.3
2-Phenethyl alcohol11217428981−74.2