Synthesis and properties of sulfhydryl chitosan

Yang Yu-min; Shao Jian; Yao Cheng

doi:10.1007/BF02850743

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Synthesis and properties of sulfhydryl chitosan

Updated：2023-05-16

- Synthesis and properties of sulfhydryl chitosan
- Journal of Oceanology and Limnology Vol. 19, Issue 4, Pages: 375-381(2001)
- Affiliations：
  
  1. Nantong Medical College Nantong
  2. Nanjing University of Chemical Technology
- Author bio：
- Funds：
- DOI：10.1007/BF02850743
  CLC：
- Published：2001
- Accepted：
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Yu-min, Y., Jian, S. & Cheng, Y. Synthesis and properties of sulfhydryl chitosan., Chin. J. Ocean. Limnol. 19, 375–381 (2001). https://doi.org/10.1007/BF02850743
DOI：

Yu-min, Y., Jian, S. & Cheng, Y. Synthesis and properties of sulfhydryl chitosan., Chin. J. Ocean. Limnol. 19, 375–381 (2001). https://doi.org/10.1007/BF02850743 DOI：

摘要

Abstract

A new adsorbent for heavy metal ions

sulfhydryl chitosan (S-chitosan)

was produced by treatment of chitosan with sulhydryl acetic acid in the presence of sulfuric acid as a catalyst. Its structure was confirmed by elemental analysis and FT-IR spectra analysis. The adsorption properties of sulfhydryl chitosan for Cu(II)

Cd(II)

Pb(II)

Cr(III) and Ni(II) were investigated

and the effect of pH value on adsorption

adsorption kinetics

and selective adsorption was examined. It was shown that S-chitosan has good adsorption for Pb(II)

Cu(II) and Cd(II) like chitosan

is also insoluble in acid solution; has good adsorption kinetic properties for heavy metal ions; and can be used in acid solution. The adsorption capacities of S-chitosan can be affected by media acidity. The adsorbed Cu(II) Cd(II) and Pb(II) could be eluted by diluted chlorhydric acid.

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references

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Lu Yongquan, Deng Zhenhua, 1989. The Practical Methods Of Infra-red Spectra Analysis. Electronic Industry Publishing House, Beijing, China, p. 254.

Masri, M. S., Reuter, F. W., 1974. Adsorption Property of Chitin and Chitosan for Metal Ions.Journal of Applied polymer Science 18: 675.

Peng, C. H., Wang, Y. T., 1998. Synthesis of Carboxyl-Containing Grafted Chitosan Polymer and Its Adsorption Properties for Heavy Metal Ions.Environmental Science 19: 29. (in Chinese)

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