SPE materials Extraction capacity at different solution pH, mg g-1
5.0 6.0 7.0 8.0 9.0 10.0
MIP-1 2.76 ± 0.13 2.83 ± 0.11 2.89 ± 0.13 2.82 ± 0.16 2.85 ± 0.16 2.72 ± 0.11
MIP-2 3.11 ± 0.15 3.15 ± 0.13 3.17 ± 0.16 3.15 ± 0.11 3.17 ± 0.11 2.96 ± 0.13
MIP-3 3.63 ± 0.11 3.65 ± 0.12 3.69 ± 0.19 3.65 ± 0.12 3.68 ± 0.13 3.12 ± 0.09
XAD 0.62 ± 0.08 0.85 ± 0.06 0.94 ± 0.11 0.96 ± 0.11 0.82 ± 0.15 0.59 ± 0.13
PAC 1.47 ± 0.11 1.51 ± 0.13 1.63 ± 0.12 1.68 ± 0.11 1.55 ± 0.09 1.32 ± 0.15
The values reported in the table are mean of three experimental determinations (n=3) and the initial concentration of MC-LR was 10 mg L-1.
Table 2: Effect of solution pH on MC-LR extraction by SPE materials.