A Critical Review on the Synthesis and Application of Ion-Imprinted Polymers for Selective Preconcentration, Speciation, Removal and Determination of Trace and Essential Metals from Different Matrices

The presence of toxic trace metals and high concentrations of essential elements in the environment presents a serious threat to living organism. Various methods have been used for the detection, preconcentration and remediation of these metals from biological, environmental and food matrices. Owing...

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Bibliographic Details
Published in:Critical reviews in analytical chemistry 2022, Vol.52 (2), p.314-326
Main Authors: Jakavula, Silindokuhle, Biata, N. Raphael, Dimpe, K. Mogolodi, Pakade, Vusumzi E., Nomngongo, Philiswa N.
Format: Article
Language:English
Subjects:
Adsorption
Analytical chemistry
Chemical synthesis
Electrochemical analysis
electrochemical sensors
Electrochemistry
Imprinted polymers
ion-imprinted polymers
Ions
Metal concentrations
Metals
Molecular Imprinting
Polymers
Polymers - chemistry
preconcentration
Remediation
Selectivity
Solid Phase Extraction - methods
Speciation
Trace Elements
Trace metals
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Summary:The presence of toxic trace metals and high concentrations of essential elements in the environment presents a serious threat to living organism. Various methods have been used for the detection, preconcentration and remediation of these metals from biological, environmental and food matrices. Owing to the complexicity of samples, methods with high selectivity have been used for detection, preconcentration and remediation of these trace metals. These methods are achieved by the use of ion-imprinted polymers (IIPs) due to their impressive properties such as selectivity, high extraction efficiency, speciation capability and reusability. Because of the increase of toxic trace and essential metals in the environment, IIPs have attracted great use in analytical chemistry. This review, provide a brief background on IIPs and polymerization method that are used for their preparation. Recent applications of IIPs as adsorbents for preconcentration, removal, speciation and electrochemical detection of trace and essential metal is also discussed.
ISSN:1040-8347
1547-6510
DOI:10.1080/10408347.2020.1798210