Synthesis and Characterization of TiO₂ Modified with Polystyrene and Poly(3-chloro-2-hydroxypropyl Methacrylate) as Adsorbents for the Solid Phase Extraction of Organophosphorus Pesticides

Table 2

Average adsorption (%) () of the OPPs onto the hybrid particles synthesized.

Pesticide	Adsorption (%) ± RSD (%)
	TiO2-PClHPMA	TiO2-PS
Fensulfothion	21.16 ± 8.28	94.27 ± 2.01
Parathion methyl	33.31 ± 6.75	98.11 ± 0.97
Coumaphos	50.03 ± 4.84	99.77 ± 0.16
Diazinon	49.73 ± 3.86	99.29 ± 0.38