NDLI: A nanostructured ion-imprinted polymer for the selective extraction and preconcentration of ultra-trace quantities of nickel ions

Content Provider	Springer Nature Link
Author	Behbahani, Mohammad Taghizadeh, Mohsen Bagheri, Akbar Hosseini, Hadi Salarian, Mani Tootoonchi, Atieh
Copyright Year	2012
Abstract	We describe a nanostructured ion-imprinted polymer (IIP) for the selective preconcentration of Ni(II) ions. It was obtained by bulk polymerization from 2-vinylpyridine (the functional monomer), ethylene glycol dimethacrylate (the cross-linker), 2,2′-azobisisobutyronitrile (the initiator), alizarin red S (the nickel-binding ligand), and nickel (the template ion) in acetonitrile solution. The IIP particles were characterized by elemental analysis, X-ray diffraction, Fourier transform IR spectroscopy, thermogravimetric and differential thermal analysis, and by scanning electron microscopy. Imprinted Ni(II) ions were removed from the polymeric structure using 5 % HCl as the eluting solvent. The material is capable of selectively binding Ni(II) from solutions at pH values between (pH 8.0 being best). Both the sorption and desorption process occur within 5 min. The maximum sorbent capacity of the ion imprinted polymer is 73 mg g−1. Following desorption, Ni(II) was determined by FAAS, with relative standard deviation and limit of detection of 3.4 % and 0.15 ng mL−1, respectively. The method was applied to the determination of nickel in certified reference materials (soil and polymetallic gold ore), fish, vegetables, river sediments, and river water. Figure In this study, a novel nano structure Ni(II) ion imprinted polymer has been synthesized for faster extraction of Ni(II) ions from various matrices. This SPE technique was successfully applied for separation, determination, and preconcentration of nickel from food and environmental samples. This method is simple, rapid, and reliable and it is found to be a selective and sensitive method for determination of trace levels of Ni(II) ions.
Starting Page	429
Ending Page	437
Page Count	9
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	178
Issue Number	3-4
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2012-07-03
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nickel Ion imprinted polymer Nanostructure Selective preconcentration Environmental samples Flame atomic absorption spectroscopy Nanotechnology Nanochemistry Analytical Chemistry Characterization and Evaluation of Materials Microengineering
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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