Synthesis and Application of Novel Modified Magnetic Nanocomposite for Solid Phase Extraction of Thallium(I) Ions

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FAYAZI M.; Ghanei Motlagh m.

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Paper Information

Journal: ANALYTICAL AND BIOANALYTICAL CHEMISTRY RESEARCH Year:2017 | Volume:4 | Issue:2 Page(s): 189-200

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Title

Synthesis and Application of Novel Modified Magnetic Nanocomposite for Solid Phase Extraction of Thallium(I) Ions

Author(s)

FAYAZI M. | Ghanei Motlagh m. | Issue Writer Certificate

Keywords

Magnetic solid phase extraction

Nanocomposite

Thallium(I)

Multiwalled carbon nanotubes

Flame atomic absorption spectrometry

Heavy metals

Abstract

In this paper, a magnetically multiwalled carbon nanotube (MMWCNT) Nanocomposite modified by methyl-2-[2-(2-2-[2-(methoxycarbonyl) phenoxy] ethoxyethoxy) ethoxy] benzoate was applied for magnetic solid-phase extraction (MSPE) of thallium(I) ions. Fourier transform infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD) spectrometry and vibrating sample magnetometer (VSM) were used to characterize the magnetic sorbent. The effects of pH, sample volume, eluent, and interfering ions were studied. Under the optimized conditions, the preconcentration factor of 100 and the linear response over 3-280 μ g l-1 were obtained. The detection limit of the suggested procedure (LOD, 3Sb/m) was found to be 0. 59 μ g l-1. The relative standard deviation for six replicate detections of 100 μ g l-1 of Tl(I) was ± 1. 9%. Finally, the developed method was utilized for the determination of thallium(I) ions in different real samples with recoveries in the range of 96. 9-102. 2% for the spiked samples. The proposed MSPE method exhibited some advantages, such as simplicity, rapidity, high sensitivity and excellent precision. In addition, the mechanism of thallium extraction by the modified Nanocomposite was proposed.

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APA: Copy

FAYAZI, M., & Ghanei Motlagh, m.. (2017). Synthesis and Application of Novel Modified Magnetic Nanocomposite for Solid Phase Extraction of Thallium(I) Ions. ANALYTICAL AND BIOANALYTICAL CHEMISTRY RESEARCH, 4(2), 189-200. SID. https://sid.ir/paper/354280/en

Vancouver: Copy

FAYAZI M., Ghanei Motlagh m.. Synthesis and Application of Novel Modified Magnetic Nanocomposite for Solid Phase Extraction of Thallium(I) Ions. ANALYTICAL AND BIOANALYTICAL CHEMISTRY RESEARCH[Internet]. 2017;4(2):189-200. Available from: https://sid.ir/paper/354280/en

IEEE: Copy

M. FAYAZI, and m. Ghanei Motlagh, “Synthesis and Application of Novel Modified Magnetic Nanocomposite for Solid Phase Extraction of Thallium(I) Ions,” ANALYTICAL AND BIOANALYTICAL CHEMISTRY RESEARCH, vol. 4, no. 2, pp. 189–200, 2017, [Online]. Available: https://sid.ir/paper/354280/en

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