Skip to main content

Table 2 Optimization parameters and their corresponding values for dispersive solid-phase microextraction of CBZ. C central point or middle value

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

Experiment no.

EV/uL

MA/mg

ET/min

pH

%R

1

500

20

5

4

22.2

2

1000

20

5

9

42.5

3

500

60

5

9

48.5

4

1000

60

5

4

57.9

5

500

20

30

9

29.2

6

1000

20

30

4

24.9

7

500

60

30

4

40.5

8

1000

60

30

9

86.2

9 (C)

750

40.

17.5

6.5

95.7

10 (C)

750

40

17.5

6.5

95.4

11 (C)

750

40

17.5

6.5

95.1

12 (C)

750

40

17.5

6.5

95.8