Citation:
WEI Yong-Feng, ZHANG Su-Min. Synthesis of Chitosan Linked β-Cyclodextrin and Its Adsorption Capacity for p-Nitrophenol[J]. Chinese Journal of Applied Chemistry,
;2005, 22(7): 772-775.
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A kind of insoluble chitosan linked β-cyclodextrin (CTS-β-CD) was prepared,which has property to form host-guest complexes with various organic compounds.The isothermal sorption kinetics of CTS-β-CD for p-nitrophenol was investigated by spectrophotometry.The result is satisfied with the Langmuir equation.In pH=11.2 media,at 35℃,when p-nitrophenol (pNP) initial concentration is 150 mg/L,the adsorption capacity of CTS-β-CD for p-nitrophenol is 83.76 mg/g,54.56 mg/g higher than that of CTS,which is only 29.20 mg/g.
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Keywords:
- chitosan,
- β-cyclodextrin,
- p-nitrophenol
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