Development of a Solid-Phase Extraction (SPE) Cartridge Based on Chitosan-Metal Oxide Nanoparticles (Ch-MO NPs) for Extraction of Pesticides from Water and Determination by HPLC

<div>FT-IR spectra of chitosan (A), chitosan-copper oxide nanoparticles (Ch-CuO NPs), and chitosan-zinc oxide nanoparticles (Ch-ZnO NPs).</div>

International Journal of Analytical Chemistry

fig4

Figure 4

Figure 4: Development of a Solid-Phase Extraction (SPE) Cartridge Based on Chitosan-Metal Oxide Nanoparticles (Ch-MO NPs) for Extraction of Pesticides from Water and Determination by HPLC 

Figure 4 | Development of a Solid-Phase Extraction (SPE) Cartridge Based on Chitosan-Metal Oxide Nanoparticles (Ch-MO NPs) for Extraction of Pesticides from Water and Determination by HPLC 