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Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry

Received: 18 December 2016     Accepted: 18 January 2017     Published: 6 March 2017
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Abstract

The Ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) was selected from three ILs along with (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6), 1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometry for separation/analysis of Rhodamine B. The results showed that Rhodamine B was adsorbed rapidly byFe3O4@SiO2@[OMIM]PF6 and eluted by ethanol. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.40-140.00 g L-1, 0.06g L-1, 0.9993 and 0.45% (n=3, c=10.00 µg L-1), respectively. The pre-concentration factor of the proposed method was 25-fold. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This method has been applied to the determination of Rhodamine B in food samples.

Published in Science Journal of Chemistry (Volume 5, Issue 1)
DOI 10.11648/j.sjc.20170501.11
Page(s) 1-7
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Rhodamine B, IL-magnetic Nanoparticles, Magnetic SPE, Fluorescence Spectrophotometry

References
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    Almojtaba Abd Alkhalig Ahmed Bakheet, Xia Shi Zhu. (2017). Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. Science Journal of Chemistry, 5(1), 1-7. https://doi.org/10.11648/j.sjc.20170501.11

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    Almojtaba Abd Alkhalig Ahmed Bakheet; Xia Shi Zhu. Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. Sci. J. Chem. 2017, 5(1), 1-7. doi: 10.11648/j.sjc.20170501.11

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    AMA Style

    Almojtaba Abd Alkhalig Ahmed Bakheet, Xia Shi Zhu. Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry. Sci J Chem. 2017;5(1):1-7. doi: 10.11648/j.sjc.20170501.11

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  • @article{10.11648/j.sjc.20170501.11,
      author = {Almojtaba Abd Alkhalig Ahmed Bakheet and Xia Shi Zhu},
      title = {Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry},
      journal = {Science Journal of Chemistry},
      volume = {5},
      number = {1},
      pages = {1-7},
      doi = {10.11648/j.sjc.20170501.11},
      url = {https://doi.org/10.11648/j.sjc.20170501.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20170501.11},
      abstract = {The Ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) was selected from three ILs along with (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6), 1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometry for separation/analysis of Rhodamine B. The results showed that Rhodamine B was adsorbed rapidly byFe3O4@SiO2@[OMIM]PF6 and eluted by ethanol. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.40-140.00 g L-1, 0.06g L-1, 0.9993 and 0.45% (n=3, c=10.00 µg L-1), respectively. The pre-concentration factor of the proposed method was 25-fold. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This method has been applied to the determination of Rhodamine B in food samples.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Determination of Rhodamine B Pigment in Food Samples by Ionic Liquid Coated Magnetic Core/Shell Fe3O4@SiO2 Nanoparticles Coupled with Fluorescence Spectrophotometry
    AU  - Almojtaba Abd Alkhalig Ahmed Bakheet
    AU  - Xia Shi Zhu
    Y1  - 2017/03/06
    PY  - 2017
    N1  - https://doi.org/10.11648/j.sjc.20170501.11
    DO  - 10.11648/j.sjc.20170501.11
    T2  - Science Journal of Chemistry
    JF  - Science Journal of Chemistry
    JO  - Science Journal of Chemistry
    SP  - 1
    EP  - 7
    PB  - Science Publishing Group
    SN  - 2330-099X
    UR  - https://doi.org/10.11648/j.sjc.20170501.11
    AB  - The Ionic liquids (IL) 1-octyl-3-methylimidazole hexafluorophosphate ([OMIM]PF6) was selected from three ILs along with (1-butyl-3-methylimidazole hexafluorophosphate ([BMIM]PF6), 1-hexyl-3-methyl-imidazole hexafluoro-phosphate ([HMIM]PF6), were coated by Fe3O4@SiO2 nanoparticles with core-shell structure to prepare magnetic solid phase extraction agent (Fe3O4@SiO2@IL) and establish a new method of magnetic solid phase extraction (MSPE) coupled with Fluorescence spectrophotometry for separation/analysis of Rhodamine B. The results showed that Rhodamine B was adsorbed rapidly byFe3O4@SiO2@[OMIM]PF6 and eluted by ethanol. Under the optimal conditions the linear range, detection limit (DL), correlation coefficient (R) and relative standard deviation (RSD) were found to be 0.40-140.00 g L-1, 0.06g L-1, 0.9993 and 0.45% (n=3, c=10.00 µg L-1), respectively. The pre-concentration factor of the proposed method was 25-fold. The Fe3O4@SiO2 NPs can be used repeatedly for 10 times. This method has been applied to the determination of Rhodamine B in food samples.
    VL  - 5
    IS  - 1
    ER  - 

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Author Information
  • Department of Analytical Chemistry, College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, China

  • Department of Analytical Chemistry, College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, China

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