NDLI: Solid phase extraction of heavy metal ions based on a novel functionalized magnetic multi-walled carbon nanotube composite with the aid of experimental design methodology

Content Provider	Springer Nature Link
Author	Taghizadeh, Mohsen Asgharinezhad, Ali Akbar Samkhaniany, orallah Tadjarodi, Azadeh Abbaszadeh, Abolfazl Pooladi, Mohsen
Copyright Year	2014
Abstract	We report that magnetic multiwalled carbon nanotubes functionalized with 8-aminoquinoline can be applied to the preconcentration of Cd(II), Pb(II) and Ni(II) ions. The parameters affecting preconcentration were optimized by a Box-Behnken design through response surface methodology. Three variables (extraction time, magnetic sorbent amount, and pH value) were selected as the main factors affecting sorption, and four variables (type, volume and concentration of the eluent; elution time) were selected for optimizing elution. Following sorption and elution, the ions were quantified by FAAS. The LODs are 0.09, 0.72, and 1.0 ng mL−1 for Cd(II), Ni(II), and Pb(II) ions, respectively. The relative standard deviations are <5.1 % for five separate batch determinations at 30 ng mL−1 level of Cd(II), Ni(II), and Pb(II) ions. The sorption capacities (in mg g−1) of this new sorbent are 201 for Cd(II), 150 for Pb(II), and 172 Ni(II). The composite was successfully applied to the rapid extraction of trace quantities of heavy metal ions in fish, sediment, soil, and water samples. Figure A schematic diagram for synthesis of functionalized magnetic multiwalled carbon nanotube.
Starting Page	597
Ending Page	605
Page Count	9
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	181
Issue Number	5-6
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2014-01-15
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Magnetic multiwalled carbon nanotube composite Heavy metal ions Sorption Response surface methodology Box-Behnken design Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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