In Situ Synthesis of a Magnetic Graphene Platform for the Extraction of Benzimidazoles from Food Samples and Analysis by High-Performance Liquid Chromatography

Figure 4

Effects of experimental conditions on the desorption efficiency. (a) Effects of desorption solvent, A: acetonitrile; B: methanol; C: acetic acid/acetonitrile (1 : 99, v/v); D: acetic acid/methanol (1 : 99, v/v); (b) desorption time; and (c) volume of desorption solvent.

(a)

(b)

(c)