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, 0.06g 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 |
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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. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Rhodamine B, IL-magnetic Nanoparticles, Magnetic SPE, Fluorescence Spectrophotometry
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APA Style
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
ACS 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
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
@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, 0.06g 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} }
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, 0.06g 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 -