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https://hdl.handle.net/11499/7332
Title: | Schiff base-functionalised styrofoam resin for preconcentration of metal ions in wastewater and wastewater-irrigated vegetables samples | Authors: | Siyal, A.N. Memon, S.Q. Elçi, Aydan Akdoğan, Abdullah Höl, Ayşen Kartal, Aslıhan Arslan Elçi, L. |
Keywords: | chelating resin MIS-FAAS preconcentration solid-phase extraction styrofoam foam waste vegetables wastewater irrigation Absorption spectroscopy Atomic absorption spectrometry Lead Metal ions Metal recovery Metals Nickel Phase separation Resins Vegetables Certified reference materials Chelating resin Flame atomic absorption spectrometry Pre-concentration Relative standard deviations Solid-phase extraction Trace determination Wastewater irrigation Limits of detection Cadmium compounds |
Publisher: | Taylor and Francis Ltd. | Abstract: | Polystyrene (PS) was extracted from styrofoam waste and functionalised with schiff base, N,N-bis(salicylidene)cyclohexanediamine (SCHD) through an azo spacer. The resin was characterised and used for preconcentration of Pb(II), Ni(II) and Cd(II) ions prior to their trace determinations by microsample injection system–coupled flame atomic absorption spectrometry (MIS-FAAS). The recoveries of studied metal ions were achieved ?96.0% with relative standard deviation (RSD) ?4.5 at optimum parameters: pH 8; resin amount 300 mg; flow rates 3.0 mL min-1 of sample solution; and 2.0 mL min-1 of eluent (2.0 mol L-1 HNO3). The limits of detection (LODs) and limits of quantification (LOQs) were found to be 0.32, 0.23 and 0.21 and 1.10, 0.78 and 0.69 µg L-1, respectively, with preconcentration factors (PFs) of 500, 800 and 1000, respectively. The linear ranges of the method were 1–40, 1–25 and 1–20 µg L-1 for Pb(II), Ni(II) and Cd(II) ions, respectively. The accuracy and validation of the method were evaluated by analysis of certified reference materials (CRMs). The method was successfully applied for preconcentration of studied metal ions in wastewater and wastewater-irrigated vegetable samples. © 2014, © 2014 Taylor & Francis. | URI: | https://hdl.handle.net/11499/7332 https://doi.org/10.1080/03067319.2014.974590 |
ISSN: | 0306-7319 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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