Preparation of Molecular Imprinted Polymer Based on Chitosan as the Selective Sorbent for Solid-Phase Microextraction of Phenobarbital

<div>(a) Effect of pH on the extraction efficiency of SPME-MIP fiber for phenobarbital sample, extraction conditions: concentration of analytes; 0.1 <i>μ</i>g·mL<sup>−1</sup>, desorption solvent MeOH; extraction time: 20 minutes; desorption time: 15 minutes; stirring rate: 600 rpm, (b) effect of extraction time, extraction conditions: pH 7 and others are the same as (a), (c) effect of desorption solvent, extraction conditions: extraction time 20 minutes and others the same as (b) and (d) effect of desorption time, extraction conditions: the same as (c) and extraction solvent: MeOH.</div>

Journal of Analytical Methods in Chemistry

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Figure 2: Preparation of Molecular Imprinted Polymer Based on Chitosan as the Selective Sorbent for Solid-Phase Microextraction of Phenobarbital 