SPE coupled to AAS trace determination of Cd(II) and Zn(II) in food samples using amine functionalized GMA-MMA-EGDMA terpolymer: Isotherm and kinetic studies

Aminul Islam*, Suneel Kumar, Noushi Zaidi, Hilal Ahmad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

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 g−1 for Cd(II) and 24.19 mg g−1 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 L−1 for Cd and 1.2 and 4.1 μg L−1 for Zn. The reliability of the method was investigated by the analysis of SRM and the recovery of analytes from various spiked food samples.

Original languageEnglish
Pages (from-to)775-783
Number of pages9
JournalFood Chemistry
Volume213
DOIs
StatePublished - 15 Dec 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016

Keywords

  • FAAS
  • Terpolymer
  • food analysis
  • solid phase extraction

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science

Fingerprint

Dive into the research topics of 'SPE coupled to AAS trace determination of Cd(II) and Zn(II) in food samples using amine functionalized GMA-MMA-EGDMA terpolymer: Isotherm and kinetic studies'. Together they form a unique fingerprint.

Cite this