Simultaneous Determination of Parathion, Malathion,  Diazinon, and Pirimiphos Methyl in Dried Medicinal Plants Using Solid-Phase Microextraction Fibre Coated with Single-Walled Carbon Nanotubes

<table>Representative SIM GC-MS chromatogram of a Chamomile sample. Quantification results: diazinon (53.1 ng g<sup>−1</sup>) and malathion (22.9 ng g<sup>−1</sup>).</table>

The Scientific World Journal

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Figure 5

Figure 5: Simultaneous Determination of Parathion, Malathion,  Diazinon, and Pirimiphos Methyl in Dried Medicinal Plants Using Solid-Phase Microextraction Fibre Coated with Single-Walled Carbon Nanotubes 

Figure 5 | Simultaneous Determination of Parathion, Malathion,  Diazinon, and Pirimiphos Methyl in Dried Medicinal Plants Using Solid-Phase Microextraction Fibre Coated with Single-Walled Carbon Nanotubes 