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Citation: Wang Aiqin, Li Hongqi, Yu Xianda. Coordination of Chitosan with Zn(Ⅱ)and IR spectra[J]. Chinese Journal of Applied Chemistry, ;1999, 16(1): 77-79. shu

Coordination of Chitosan with Zn(Ⅱ)and IR spectra

1.
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received Date: 18 May 1998
Available Online: 11 September 1998

A series of chitosan-Zn(Ⅱ)complexes with n (chitosan):n(Zn(Ⅱ))=1:0.05~1:1.0 were synthesized in aqueous acidic solution. The results indicated that the Zn(Ⅱ) content of the complexes prepared in dilute formic acid solution was higher than in other acid solutions: acetic, propionic, benzoic and hydrochloric acids.IR spectrum results showed that Zn(Ⅱ)are coordinated to-NH₂,-NHCO-and-OH groups of chitosan molecnle and the final complexes have no definite chemical composition.
- chitosan,
- zine complex,
- IR spectrum
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