Determination of Levetiracetam in Human Plasma by Dispersive Liquid-Liquid Microextraction Followed by Gas Chromatography-Mass Spectrometry

Figure 3

Optimization of DLLME procedure: (a) extraction solvent type, (b) dispersing solvent type, (c) extraction solvent (chloroform) volume, (d) dispersing solvent (isopropyl alcohol) volume, (e) vortex agitation time, and (f) salt addition.

(a)

(b)

(c)

(d)

(e)

(f)