Skip to main content
. 2021 Nov 16;26(22):6896. doi: 10.3390/molecules26226896

Figure 2.

Figure 2

Optimization of MEPS method, sample spiked concentration 100 µg L−1, (a) effect of sample volume (1, 2 mL) and eluent volume (50, 100 µL) (EA/DCM, 1:1, v/v); (b) selection of eluent (sample volume 1 mL, eluent volume 100 µL).