Synthesis of Bismuth Oxide: Removal of benzene from waters by Bismuth Oxide Nanostructures

Vol 2, Issue 04, Pages 5-14,*** Field:Environmental Analysis

  • Negar Motakef Kazemi, (corresponding author) Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University
  • Masoumeh Yaqoubi Department of Nanochemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
Keywords: Bismuth oxide nanostructures, Synthesis, Benzene removal, Waters, Liquid-micro solid phase extraction


In this research, bismuth oxide (Bi2O3) nanostructures were prepared via chemical method at 90 °C for 3 h. the results samples were characterized by Fourier transform infrared (FTIR) for determination of functional groups, X-ray diffraction (XRD) for evaluation of crystal structure, dynamic light scattering (DLS), scanning electron microscope (SEM) for presentation of morphology and size, energy-dispersive X-ray spectroscopy (EDS) for determination of chemical composition, and diffuse reflection spectroscopy (DRS) for ultraviolet (UV) blocking. Also, the Bi2O3 nanostructures were used for benzene extraction from waters in pH=5-7. By procedure, 30 mg of Bi2O3 mixed with hydrophobic ionic liquid ([HMIM][PF6]) and injected to water samples. After shaking and centrifuging, benzene removed from water by ionic liquid-micro solid phase extraction (IL-μSPE) and determined by gas chromatography with flame ionization detector (GC-FID). The absorption capacity and recovery was obtained 167.8 mg per gram of Bi2O3 and more than 96%, respectively.

Author Biography

Negar Motakef Kazemi, (corresponding author), Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University

Assistant Professor of Nanotechnology, Tehran Medical Sciences, Islamic Azad University


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How to Cite
Motakef Kazemi, N., & Yaqoubi, M. (2019). Synthesis of Bismuth Oxide: Removal of benzene from waters by Bismuth Oxide Nanostructures. Analytical Methods in Environmental Chemistry Journal, 2(04), 5-14.
Original Article