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The uranium recovery from aqueous solutions using amidoxime modified cellulose derivatives. I. Preparation, characterization and amidoxime conversion of radiation grafted ethyl cellulose-acrylonitrile copolymers

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Published/Copyright: October 15, 2012
Radiochimica Acta
From the journal Radiochimica Acta Volume 100 Issue 12

Abstract

Graft copolymers were prepared by 60Co-γ irradiation of binary mixture of ethyl cellulose (EC) and acrylonitrile (AN). Conversion %-dose graphs were obtained, and 95% copolymer yield has been reached at around 8 kGy dose. Conversion of nitrile groups to amidoxime (AO) were achieved by aqueous solutions of NH2OH · HCl–NaOH at 50 ºC. The amidoxime conversion was followed by using FT-IR spectrophotometer and determined as percentage. After 72 h period, nearly 100% amidoxime conversion was provided. The structures of EC-g-AN and EC-g-AO were characterized by FTIR/ATR, TGA, and SEM methods.

Keywords: Ethyl cellulose; Acrylonitrile; Radiation grafting; Amidoxime
* Correspondence address: Hacettepe University, Faculty of Science, Chemistry Department, 06800 Beytepe, Ankara, Türkei,
Published Online: 2012-10-15
Published in Print: 2012-12

© by Oldenbourg Wissenschaftsverlag, München, Germany

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  4. The uranium recovery from aqueous solutions using amidoxime modified cellulose derivatives. I. Preparation, characterization and amidoxime conversion of radiation grafted ethyl cellulose-acrylonitrile copolymers
  5. Separation of oxidized americium from lanthanides by use of pillared metal(IV) phosphate-phosphonate hybrid materials
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https://doi.org/10.1524/ract.2012.1983
Keywords for this article
Ethyl cellulose; Acrylonitrile; Radiation grafting; Amidoxime

Articles in the same Issue

  1. 41K(n, γ)42K thermal and resonance integral cross section measurements
  2. Spectroscopic study of Pu(IV) oxidation to Pu(VI) in 3 mol/dm3 nitric acid at 373 K
  3. Interfacial sorption/desorption studies of Pu(IV) on Silica and alumina surfaces
  4. The uranium recovery from aqueous solutions using amidoxime modified cellulose derivatives. I. Preparation, characterization and amidoxime conversion of radiation grafted ethyl cellulose-acrylonitrile copolymers
  5. Separation of oxidized americium from lanthanides by use of pillared metal(IV) phosphate-phosphonate hybrid materials
  6. Anomalous extraction behavior of americium(III) in some diglycolamide isomers present in ionic liquid medium
  7. Radiochemical studies relevant to cyclotron production of the therapeutic radionuclide 167Tm
  8. Radiation-induced nitration of organic compounds in aqueous solutions
  9. Titanate nanotubes: preparation, characterization and application in adsorption of strontium ion from aqueous solution
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