Research Article

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

Figure 3

SEM images of (a) TiO2-PS and (b) TiO2-PClHPMA.
(a)
(b)