Chinese Journal of Applied Chemistry ›› 2010, Vol. 27 ›› Issue (04): 462-465.DOI: 10.3724/SP.J.1095.2010.90007

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Structures of Chitosan and Chitooligosaccharide and Their Adsorption toward Radionuclide Uranium

JIANG Xin-Ping, CHENG Ge, WANG Shao, LIU Xiao-Mei, YU Lei, SHI Lei*   

  1. (School of Public Health,Jilin University,Changchun 130021)
  • Received:2009-01-04 Revised:2009-06-30 Published:2010-04-10 Online:2010-04-10

Abstract:

The deacetylations(DD) of Chitosan and chitooligosaccharide(COS) were titrated by an acidbase method. After Sephadex chromatography purification, the degree of polymerization(DP) and DD were obtained by MALDI-FT-MS. It was found that Chitosan has high an adsorption of the radionuclide Uranium. Chitosan showed high adsorption of radionuclide uranium even with the presence of large amount of Cu2+ ions. The adsorption efficiency is above 96%. This shows that Chitosan has a great potential for the renoval of both heavy metals and radionuclides.

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