Abstract − Analytical Sciences, 26(9), 1011 (2010).
Retention Behavior on Aminoethyl-modified Poly(p-phenylene terephthalamide) Fiber Stationary Phases in Gas Chromatography
Shingoro SHIRAI, Yoshihiro SAITO, Yasuhiro SAKURAI, Ikuo UETA, and Kiyokatsu JINNO
Department of Environmental and Life Sciences, Toyohashi University of Technology, Toyohashi 441-8580, Japan
Surface derivatization of Kevlar, poly(p-phenylene terephthalamide), fiber has been studied along with the evaluation of the surface characteristics of the chemically-modified fiber as the stationary phase in packed-capillary gas chromatography (GC). Several experimental parameters in the derivatization reaction have been optimized, and the retention behavior of the surface-derivatized fibrous stationary phase has been investigated using various standard solutes, such as alkanes, alcohols and alkylbenzenes. By introducing aminoethyl functional groups onto the surface of the fibrous material, a specific selectivity for polar solutes has been observed.
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