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 OALibJ  Vol.1 No.2 , May 2014
Extraction of Cu(II) Ions in Wastewaters Using New Solid/Liquid Phase Microextraction Technique Based on Incorporating Functionalized Carbon Nanotubes into Polypropylene Hollow Fiber
Es’haghi Zarrin1*, Ahmadpour Ali2, Tanha Ali Akbar1, Sayfi Ali1, Ayati Ali2
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Abstract: This research describes a new design of hollow fiber solid-liquid phase microextraction (HF– SLPME) which was developed for the extraction and measurement of Cu(II) ion in water samples combined with atomic absorption spectroscopy. This method consists of an aqueous feed and the functionalized multi-walled carbon nanotubes (F-MWCNTs) with HNO3 and NaClO, dispersed into n-octanol, are held within the pores and the lumen of a porous hollow fiber as the extractor phase. The presented method allows an effective and enriched recuperation of ionic analyte into MWCNTs/organic phase. The effective parameters were investigated. Under the optimized conditions, a sample of industrial waste water was successfully purified using the proposed method. Our results showed that at optimized extraction conditions, the calibration curve was linear in the range of 0.01 - 20 μg/mL of Cu(II) ions in the initial solution with R2 > 0.99 for both F-MWCNTs samples. All experiments were carried out at room temperature (25℃ ± 0.5℃).
Keywords: Solid/Liquid Phase Microextraction, Multi-Walled Carbon Nanotube, Hollow Fiber, Cu(II), Flame Atomic Absorption Spectroscopy
Cite this paper: Zarrin, E. , Ali, A. , Akbar, T. , Ali, S. and Ali, A. (2014) Extraction of Cu(II) Ions in Wastewaters Using New Solid/Liquid Phase Microextraction Technique Based on Incorporating Functionalized Carbon Nanotubes into Polypropylene Hollow Fiber. Open Access Library Journal, 1, 1-15. doi: 10.4236/oalib.1100380.
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