Adsorption of Silver Ions from Aqueous Solution onto Thiol Modified Polyvinyl Alcohol Nanofibers| Crimson Publishers
Adsorption of Silver Ions from Aqueous Solution onto Thiol
Modified Polyvinyl Alcohol Nanofibers by Hoik lee in Textile Science
Engineering Journal
The crosslinked polyvinyl alcohol
(PVA) with glutaraldehyde nanofibers was modified by the esterification of
hydroxyl group on PVA with the carboxyl group of 3-mercaptopropionic acid under
hydrochloric acid in aqueous environment. The thiol-modified nanofiber mat can
absorb the silver ions dissolved in water Surface morphology of prepared
nanofiber mats were observed by scanning electron microscopy. The cross linking
between PVA and glutaraldehyde and the thiol groups on the nanofibers after
esterification reaction were confirmed by Fourier Transform Infrared
Spectroscopy. The quantitative estimation of silver particle adsorbed onto the
resultant nanofiber mat was performed by UV-Vis spectroscopy and inductively
coupled plasma optical emission spectrometer (ICP-OES). The maximum adsorption
volume was found to be 26.2mgg-1.
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