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Citation: WEN Yan-Mei, LI Si-Dong, ZHONG Jie-Ping, CHEN Hong, ZHANG Chao-Hua. Preparation of N-Salicylidene Chitosan Schiff Base under Microwave Irradiation and Its Adsorption Capacity[J]. Chinese Journal of Applied Chemistry, ;2006, 23(8): 892-896. shu

Preparation of N-Salicylidene Chitosan Schiff Base under Microwave Irradiation and Its Adsorption Capacity

1.
a College of Science, Guangdong Ocean University, Zhanjiang 524088;
2.
b College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088

Corresponding author: WEN Yan-Mei,
Received Date: 23 December 2005
Available Online: 19 April 2006
Fund Project: 广东省重大科技项目(2003A2030504)资助 (2003A2030504)

N-salicylidenea chitosan schiff base was prepared by the method of microwave irradiation.The effects of reaction time and microwave output on the degree of condensation(DC) were studied.The product was characterized by UV,FTIR,TG/DTA,and its adsorption property was investigated.The result indicates that the rate of the formation reaction of N-salicylidene chitosan schiff base was greatly enhanced under microwave irradiation.The same degree of condensation(DC=88%) was reached with 6 min of 360 W microwave irradiation vs 6 h at 85℃ by conventional heating technique.The N-salicylidenea chitosan schiff base prepared via microwave irradiation exhibited higher adsorption capacity for metal ions than that via conventional heating technique.At 25℃,its adsorption capacity for Cu²⁺,Zn²⁺,Fe²⁺,Ni²⁺ was 90.5,78.5,10.2,26.3 mg/g,respectively.
- chitosan,
- microwave irradiation,
- salicylaldehyde,
- schiff base
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