Specific Features of Interactions of Polyvinylpyrrolidone Molecules with Zinc and Silver Ions in Aqueous Solutions According to IR Spectroscopy Data

Aqueous solutions containing polyvinylpyrrolidone and zinc and silver nitrates are studied by IR spectroscopy. It is shown that introduction of zinc and silver nitrates into polyvinylpyrrolidone solutions leads to a shift of the polymer absorption bands to lower wavenumbers. The results obtained ind...

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Bibliographic Details
Published in:Optics and spectroscopy 2019-10, Vol.127 (4), p.738-741
Main Authors: Volkova, N. A., Evsropiev, S. K., Nikonorov, N. V., Evstropyev, K. S.
Format: Article
Language:English
Subjects:
Absorption spectra
Aqueous solutions
Infrared spectroscopy
Lasers
Nitrates
Optical Devices
Optical Materials
Optics
Photonics
Physics
Physics and Astronomy
Polymers
Polyvinylpyrrolidone
Silver nitrate
Spectrum analysis
Zinc
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Summary:Aqueous solutions containing polyvinylpyrrolidone and zinc and silver nitrates are studied by IR spectroscopy. It is shown that introduction of zinc and silver nitrates into polyvinylpyrrolidone solutions leads to a shift of the polymer absorption bands to lower wavenumbers. The results obtained indicate the possibility of formation of complexes consisting of polymer molecules and metal ions.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X19100308