食品科学 ›› 2004, Vol. 25 ›› Issue (3): 81-83.

• 基础研究 • 上一篇    下一篇

壳聚糖-Zn(Ⅱ)配合物对尿素的吸附行为的研究

 郎惠云, 蔡健, 魏永锋   

  1. 西北大学化学系
  • 出版日期:2004-03-15 发布日期:2011-10-24

Urea Adsorption by Chitosan-Zn(Ⅱ) Complex

 LANG  Hui-Yun, CAI  Jian, WEI  Yong-Feng   

  1. Department of Chemistry,Norhtwest University
  • Online:2004-03-15 Published:2011-10-24

摘要: 本文提出了利用高分子聚合物壳聚糖-Zn(Ⅱ)配合物吸附尿素的方法。实验结果表明,最佳吸附条件为:室温下,溶液pH在6~7之间,尿素的起始浓度为2.0mg/ml,反应时间为3.0h,最大吸附量可达83.97mg/g。

关键词: 壳聚糖, 锌, 配合物, 吸附, 尿素

Abstract: A method for urea adsorption by chitosan-Zn(Ⅱ) complex was studied.The optimal conditions were obtained fromexperiments.The adsorption capacity of the complex for urea was 83.97mg/g under room temperatur and pH value between 6~7,while the original concentration of urea was 2.0mg/ml.The adsorption time was 3.0h.

Key words: chtiosan, zinc, complex, adsorption, urea