Pentacyanoferrate(II) complexes with chitosan

New organic–inorganic materials based on products of interaction between sodium aminoprusside and polymer ligand (chitosan) have been synthesized. The composition of the obtained materials was characterized using the element analysis and X‐ray diffraction; the Fourier transform infrared (FT‐IR) spec...

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Bibliographic Details
Published in:Polymer engineering and science 2014-10, Vol.54 (10), p.2392-2397
Main Authors: Bratskaya, S. Yu, Privar, Yu. O., Korjakova, O.V., Mechaev, A.V., Pestov, A.V.
Format: Article
Language:English
Subjects:
Chemical engineering
Chemical engineering research
Chemical properties
Chemical reactions
Chitin
Chitosan
Diffraction
Fourier transforms
Identification and classification
Infrared
Iron compounds
Isotherms
Ligands
Sodium
Sorption
Thermogravimetric analysis
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Summary:New organic–inorganic materials based on products of interaction between sodium aminoprusside and polymer ligand (chitosan) have been synthesized. The composition of the obtained materials was characterized using the element analysis and X‐ray diffraction; the Fourier transform infrared (FT‐IR) spectroscopy and Thermogravimetric analysis data were used to propose the structure of the formed complexes. It was established that ion and ligand exchange were the main reactions at interaction of sodium aminoprusside with water‐soluble chitosan salts. The comparative estimation of the sorption capacity with respect to cesium ions was performed for the synthesized complexes. It has been shown that the complex of chitosan with pentacyanoferrate(II) in the form of cobalt(II) salt has higher distribution coefficient with respect to Cs+ ions, as compared to cobalt aminoprusside. The maximum sorption capacity value for Cs+ was evaluated from the sorption isotherm and found to be equal to 0.3 mmol/g. POLYM. ENG. SCI., 54:2392–2397, 2014. © 2013 Society of Plastics Engineers
ISSN:0032-3888
1548-2634
DOI:10.1002/pen.23787