Evaluation of Menthol-Based Hydrophobic Deep Eutectic Solvents for the Extraction of Bisphenol A from Environment Water

Yena An, Kyung Ho Row

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Deep eutectic solvents (DES) which possess hydrophobicity were synthesized from various carboxylic acid or fatty acids and menthol to remove bisphenol A, a micropollutant present in water-based environments, via liquid–liquid extraction. The bisphenol A concentration was measured quantitatively by ultraviolet-visible spectroscopy. The structure and properties of the DES were examined by Fourier transform infrared spectroscopy and 1H nuclear magnetic resonance spectroscopy, and the interaction of the cephalic compound was investigated. The menthol–propionic acid and menthol–formic acid DES provided the satisfactory extraction performance and several parameters, including the type and volume, stirring speed, and time of the extraction procedure, were optimized. Excellent recovery rates of 98.2%–99.0% for bisphenol A were obtained under the optimized conditions.

Original languageEnglish
Pages (from-to)1533-1545
Number of pages13
JournalAnalytical Letters
Volume54
Issue number9
DOIs
StatePublished - 2021

Bibliographical note

Publisher Copyright:
© 2020 Taylor & Francis Group, LLC.

Keywords

  • Bisphenol A
  • eco-friendly solvent
  • hydrophobic deep eutectic solvent
  • liquid–liquid extraction

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