NDLI: Determination of mercury(II) ions in seafood samples after extraction and preconcentration by a novel functionalized magnetic metal-organic framework nanocomposite.

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Determination of mercury(II) ions in seafood samples after extraction and preconcentration by a novel functionalized magnetic metal-organic framework nanocomposite.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Ghorbani-Kalhor, Ebrahim Hosseinzadeh-Khanmiri, Rahim Abolhasani, Jafar Babazadeh, Mirzaagha Hassanpour, Akbar
Description	Country affiliation: Iran Author Affiliation: Ghorbani-Kalhor E ( Department of Chemistry, Tabriz Branch, Islamic Azad University, Tabriz, Iran.)
Abstract	This work describes a novel functionalized magnetic metal-organic framework nanocomposite [(Fe3O4-2,5-dimercapto-1,3,4-thiadiazole)/metal-organic framework] and its application in the preconcentration of Hg(II) ions. The parameters affecting the preconcentration procedure were optimized by a Box-Behnken design through response surface methodology. Three variables (uptake time, magnetic nanosorbent amount, and pH value) were selected as the main factors affecting the sorption step, while four variables (type, volume, and concentration of the eluent; and elution time) were selected as main factors in the optimization study of the elution step. Following the sorption and elution of analytes, the ions were quantified by cold vapor atomic absorption spectrometry. Under the optimum conditions, the limit of detection was 0.01 ng/mL and all the relative standard deviations were less than 10%. The obtained sorption capacity (in mg/g) of this new sorbent was 124. Ultimately, this nanocomposite was successfully applied to the rapid extraction of trace quantities of Hg(II) ions in seafood samples and satisfactory results were obtained.
File Format	HTM / HTML
ISSN	16159306
Issue Number	7
Volume Number	38
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2015-04-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Magnetics Mercury Analysis Nanocomposites Organic Chemicals Chemistry Seafood Microscopy, Electron, Scanning Microscopy, Electron, Transmission Spectroscopy, Fourier Transform Infrared X-ray Diffraction Journal Article Research Support, Non-u.s. Gov't Validation Studies
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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