Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7587745 | Food Chemistry | 2016 | 35 Pages |
Abstract
An ethylenediamine functionalized glycidyl methacrylate (GMA) based terpolymeric chelating resin was synthesized for the separation and preconcentration of Cd(II) and Zn(II) by SPE from bread, rice and fruit juice prior to FAAS determination. The resin was characterized by FT-IR, TGA/DTA, SEM, BET analysis and EDS. Synthesized resin shows a good capacity of 53.96 mg gâ1 for Cd(II) and 24.19 mg gâ1 for Zn(II) at pH 8.0. Five isotherm equilibrium models were studied to explain the sorption phenomenon out of which Langmuir, Dubinin-Radushkevich, Scatchard and Temkin models were found to be the best fitted. The limit of detection (LOD) and limit of quantification (LOQ) were observed to be 1.5 and 5.1 μg Lâ1 for Cd and 1.2 and 4.1 μg Lâ1 for Zn. The reliability of the method was investigated by the analysis of SRM and the recovery of analytes from various spiked food samples.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Aminul Islam, Suneel Kumar, Noushi Zaidi, Hilal Ahmad,