Abstract
Octadecylsilyl-bonded silica based novel solid phase extraction membranes were fabricated by non-solvent vapor induced phase separation method for the first time, and employed for extraction trace phenol as a model. The effects of membrane fabrication conditions and extraction parameters on the recoveries were explored. Under the optimized fabrication conditions, the extraction recovery of phenol (0.02 mg/L, 100 mL) attains 100% with enrichment factor of 10. The spike recovery of real water samples reaches 97.67%–99.40% with standard deviation of 1.16%–1.42%, demonstrating great potential in solid phase extraction.
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