Resonance Light Scattering Study on the Formation of a Manganese (II) Coordination Supramolecular Polymer and Its Analytical Application

The formation of a manganese (II) coordination supramolecular polymer was studied by resonance light scattering spectra for manganese (II) detection. Bis-sulfosalophen (a ditopic tetradentate Schiff base ligand) and bis-phenanthroline-glutaraldehyde (a ditopic bidentate ligand) were prepared for the...

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Bibliographic Details
Published in:Spectroscopy letters 2015-01, Vol.48 (8), p.616-621
Main Authors: He, Yunfei, Liao, Lifu, Xu, Canhui, Li, Shijun, Wu, Rurong, Yang, Yanyan
Format: Article
Language:English
Subjects:
Formations
Ligands
Light scattering
Manganese
Mathematical analysis
resonance light scattering
self-assemble
Spectra
Standard deviation
supramolecular polymer
Supramolecular polymers
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Summary:The formation of a manganese (II) coordination supramolecular polymer was studied by resonance light scattering spectra for manganese (II) detection. Bis-sulfosalophen (a ditopic tetradentate Schiff base ligand) and bis-phenanthroline-glutaraldehyde (a ditopic bidentate ligand) were prepared for the construction of the supramolecular polymer. In a procedure of manganese (II) detection, manganese (II) ion reacts with bis-sulfosalophen to form a binuclear manganese (II) complex. The binuclear complex then self-assembles with bis-phenanthroline-glutaraldehyde to form the supramolecular polymer, resulting in the production of strong resonance light scattering signal. The amount of manganese was detected by measuring the resonance light scattering intensity. Under optimal conditions, a linear range was found to be 0.5-50.0 ng/mL, with a detection limit of 0.1 ng/mL. The method has been successfully applied to determine manganese in vegetable and tea samples with relative standard deviations of less than 5% and recoveries of 95.8-105.7%.
ISSN:0038-7010
1532-2289
DOI:10.1080/00387010.2014.949351