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 1

Selected ions used for the quantification and qualification of target analytes by GC-MS (SIM mode).

Ion group	Analyte	Time window (min)	Molecular ion (m/z)	Quantification ion (m/z)	Confirmation ions (m/z)
1	Diazinon	12-13	304	179	276, 304
2	Pirimiphos methyl	13-14	305	290	276, 305
3	Malathion	14–16	330	173	158, 256
3	Parathion	14–16	291	291	263, 235
4	Caffeine	16-17	194	194	109, 165