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Separation and detection of 23 organochlorine pesticides and 4 synthetic pyrethroids by GC-MS
Instrument Type: GCMSThe Thermo Scientific Trace 1310 ISQ system is applied for the direct injection of extracted organochlorine pesticide and pyrethroid samples. Separation is performed on a Thermo Scientific TraceGOLD TG-5SilMS column with MS SIM detection.
The importance of autosampler vial selection in the GC-MS analysis of pyrethroid pesticides at low concentration
Instrument Type: GCMSThe 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 0.1 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.
