From: MgO-ZnO/carbon nanofiber nanocomposite as an adsorbent for ultrasound-assisted dispersive solid-phase microextraction of carbamazepine from wastewater prior to high-performance liquid chromatographic detection
Sample
Added (ng mL−1)
Found (ng mL−1)
Recovery
Effluent 1
0
574 ± 8
–
100
674
99.7
500
1083 ± 15
102
Influent 1
836 ± 8
934 ± 12
97.8
1430 ± 18
99.1