Optimization of SPE/GC/HPLC Analytical Procedure for Determination of Phenol, Quinones, and Carboxylic Acids in Water Samples

<table>The extraction recovery of benzoquinone on different sorbents; (a) eluent: acetonitrile; (b) eluent: dichloromethane; (c) amount of benzoquinone in the post-SPE water samples.</table>

International Scholarly Research Notices

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Figure 1

Figure 1: Optimization of SPE/GC/HPLC Analytical Procedure for Determination of Phenol, Quinones, and Carboxylic Acids in Water Samples 