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Radiation resistance of chitin and chitosan applied in the chromatography of radioactive solutions

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Abstract

Chitin and chitosan were irradiated in acidic solutions containing a decontaminating soap. It has been shown that these powders suspended in aqueous media do not undergo radiolysis, as their I.R. spectra are not altered, and there is no radiolysis product in the solution, except for the case of nitric acid at lowpH where some chitosan is present in dissolved form. These polymers therefore exhibit very good radiation resistance, in spite of the fact that the monomers undergo very rapid radiolysis.60Co radiations up to 50 000 krad were used. Under these conditions, chitosan does not lose its collection capacity for most of the metal ions of interest in the nuclear field, including cobalt, that can be collected from decontaminating soap solutions with a volume reduction of 10.

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Authors and Affiliations

  1. ‘G. Ciamician’ Chemical Institute of the University of Bologna, Bologna, (Italy)

    R. A. A. Muzzarelli & O. Tubertini

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  1. R. A. A. Muzzarelli
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  2. O. Tubertini
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Muzzarelli, R.A.A., Tubertini, O. Radiation resistance of chitin and chitosan applied in the chromatography of radioactive solutions. J. Radioanal. Chem. 12, 431–440 (1972). https://doi.org/10.1007/BF02515335

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