Research Article

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 2

Extraction time profiles of SWCNT fibre for OPPs. Extraction temperature, 70°C; desorption time, 4 min; desorption temperature, 230°C; amount of NaCl, 25 mg mL−1. Abbreviations: malathion (M), parathion (P), diazinon (D), pirimiphos methyl (PM).
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