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Citation: WANG Bin, CAI Ji-Ye, FENG Qian, YANG Pei-Hui, LIANG Zhi-Hong, ZENG Gu-Cheng, SUN Cai-Jun. On the Morphology of the Ordered Chitosan-Cu²⁺ Condensates[J]. Chinese Journal of Applied Chemistry, ;2004, 21(2): 113-116. shu

On the Morphology of the Ordered Chitosan-Cu²⁺ Condensates

1.
Department of Chemistry, Ji'nan University, Guangzhou 510632

Corresponding author: CAI Ji-Ye,
Received Date: 15 May 2003
Available Online: 10 September 2003
Fund Project: 国家"九七三"项目(2001CB510101) (2001CB510101)国家自然科学基金(60278014) (60278014)国家自然科学重点项目(30230350) (30230350)广东省科技攻关项目(2002C32404)资助 (2002C32404)

The mechanism of the Cu²⁺ enriching process by chitosan as a flocculant chelating compound has been studied through morphological observation by AFM in noncontact mode. The colloid chitosan-Cu²⁺ aggregates were found to be regularly aligned. It could be further condensed by dehydration to from a more regular cyclic shape in small particle units. The process appears similar to that resulted by screw winding of particles. The higher concentrated sample is a regular disc-like shape. The range of disc diameters was between 35~50 μm.
- chitosan,
- cupricion,
- topography,
- atomic force microscopy
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通讯作者: 陈斌, bchen63@163.com

On the Morphology of the Ordered Chitosan-Cu²⁺ Condensates