NDLI: Ionic Liquid as a Ferrofluid Carrier for Dispersive Solid Phase Extraction of Copper from Food Samples

Content Provider	Springer Nature Link
Author	Davudabadi Farahani, Malihe Shemirani, Farzaneh Fasih Ramandi, Negin Gharehbaghi, Maysam
Copyright Year	2015
Abstract	A novel, efficient, fast, and simple mode of dispersive solid phase extraction based on ferrofluid (FF-DSPE) was investigated for determination of copper in different environmental and food samples. Ionic liquids were used as carrier in this method. Due to rapid injection of ferrofluid into the aqueous sample by a syringe, the sorbent is highly dispersed in the bulk solution, so extraction can be achieved very fast. In addition, the ferrofluid can be attracted by a magnet and no centrifugation step is required for phase separation. The obtained results show that this method can be useful for routine trace laboratory analysis. The influence of different variables on the extraction yield was studied in detail. Under the optimized conditions, the calibration graph was linear over the range of 0.9–90 μg L$^{−1}$ and the enrichment factor (EF) 267 was obtained. The limit of detection was 0.32 μg L$^{−1}$ and the relative standard deviation of 2.6 % at 50 ng mL$^{−1}$ was obtained (n = 6). The method was validated using certified reference material and was successfully applied for determination of copper in various samples.
Starting Page	1979
Ending Page	1989
Page Count	11
File Format	PDF
ISSN	19369751
Journal	Food Analytical Methods
Volume Number	8
Issue Number	8
e-ISSN	1936976X
Language	English
Publisher	Springer US
Publisher Date	2015-01-16
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ferrofluid Dispersive solid phase extraction Ionic liquids Copper Real samples Food Science Chemistry/Food Science Microbiology Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Safety Research Safety, Risk, Reliability and Quality Applied Microbiology and Biotechnology Food Science

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