NDLI: Adsorption performance for bromine ion using bromide ion–lanthanum nitrate modified chitosan imprinted polymer

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Adsorption performance for bromine ion using bromide ion–lanthanum nitrate modified chitosan imprinted polymer

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Analytical Methods Vol - 6 Issue - 5

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Analytical Methods Vol - 6 Issue - 3

Analytical Methods Vol -5

Analytical Methods Vol -4

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Adsorption performance for bromine ion using bromide ion–lanthanum nitrate modified chitosan imprinted polymer

Content Provider	Royal Society of Chemistry (RSC)
Author	Wu, Haifeng Qiu, Junhong
Copyright Year	2014
Abstract	Based on molecular imprinting techniques, and taking lanthanum nitrate modified chitosan as the functional monomer, bromide ion as the imprinting template, glutaraldehyde as the cross-linker, an imprinted polymer of bromide ion–lanthanum nitrate modified chitosan was prepared using surface imprinting methods. The H2O2 oxidation–extraction photometric method was used for the determination of bromide ion concentrations, and the selective adsorption performances of the resulting imprinted polymer for bromide ion from aqueous potassium bromide solution and artificial seawater were investigated. The experiments showed that the adsorption equilibrium time was 30 min and the maximum adsorption capacity was 4.81 mg g−1 for potassium bromide solution, while the adsorption rate of artificial seawater was 71.57% and the adsorption capacity was 2.505 mg g−1, the imprinted polymer had good reusability and its SEM was researched. Further research indicated that Cl− and F− in seawater had a significant impact on the adsorption performance of the imprinted polymer, but SO42− and HCO3− had less effect.
Starting Page	1890
Ending Page	1896
Page Count	7
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	6
Issue Number	6
Journal	Analytical Methods
DOI	10.1039/c3ay40687c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrogen peroxide Potassium bromide Selective adsorption Ion Polymer Bromide Artificial seawater Nitrate Glutaraldehyde Adsorption Lanthanum Chitosan Monomer Molecular imprinting
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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