The Importance of Autosampler Vial Selection in the GC-MS Analysis of Pyrethroid Pesticides at Low Concentration

contributed by Thermo Fisher Scientific | 04/29/2013

Pyrethroid pesticides, adsorption, 33 expansion high purity clear neutral borosilicate glass vial

Image showing the Molecules Cyfluthrin, Permethrin, Bifenthrin, Cypermethrin

The selection of the correct autosampler vial type is vital to the success of analyzing pyrethroid pesticides at low levels. A method for the determination of pyrethroids at 0.10 ng/mL was developed using solid phase extraction (SPE) for pre-concentration with subsequent analysis by GC with PTV simulated on-column injection. Careful selection of the autosampler vial type was needed to minimize adsorption effects.

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