Table 4 Recoveries of CBZ from wastewater samples spiked at two levels (100 ng mL−1 and 500 ng mL−1) using the proposed UA-DSPME/HPLC-DAD method, n = 3
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 | 0 | 836 ± 8 | |
100 | 934 ± 12 | 97.8 | |
500 | 1430 ± 18 | 99.1 |