Fig. 3From: Magnetic chitosan-zeolite composite as an adsorbent in ultrasound-assisted magnetic solid phase extraction of tetracyclines in water samplesTEM image of A Neat Fe3O4, and B chitosan-zeolite-Fe3O4 composite, SEM image of C Cs, D Zeolite, E Fe3O4 and F Cs–Z–Fe3O4 compositeBack to article page