Citation:
Tan Shuying, Wang Yuting, Peng Changhong, Tang Yurong, Luan Zhaokun. Adsorption property of Schiff-base Type and Secondary Amine Type Chitosan-Crownethers[J]. Chinese Journal of Applied Chemistry,
;1999, 16(1): 98-100.
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Two N-Schiff base type chitosan-crownethers (S15-CTS and S18-CTS) were synthesized by reaction of 4'-formylbenzo-15-crown-5 and 4'-formylbenzo-18-crown-6 with chitosan respectively. N-secondary amine type chitosan-crownethers (Z15-CTS and Z18-CTS) were also prepared by reaction of N-Schiff base type chitosan-crow nethers with sodium borohydride.Their static adsorption properties for metal ions (Pd2+, Cu2+ and Hg2+) had been studied. The results showed that four chitosan-crow nethers had good adsorption character and adsorption selectivity for Pd2+ in the presence of Cu2+ or Hg2+.
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