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Cellulose Beads Modified by Histidine:Preparation and Adsorption Behavior

Cellulose Beads Modified by Histidine:Preparation and Adsorption Behavior
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摘要 Porous cellulose beads modified by histidine (PCBH) were prepared. The adsorption capacity of PCBH for divalent Mg(II), Cu(II), Pb(II) and Hg(II) ions were determined. The effects of the temperature, the initial pH value, the concentration of metal ion and PCBH ligand on the adsorption of Cu(II) Hg (II) were discussed. The adsorption process fitted to Freundlich adsorption isotherms for both metal ions. Adsorption rate constants were also found. Porous cellulose beads modified by histidine (PCBH) were prepared. The adsorption capacity of PCBH for divalent Mg(II), Cu(II), Pb(II) and Hg(II) ions were determined. The effects of the temperature, the initial pH value, the concentration of metal ion and PCBH ligand on the adsorption of Cu(II) Hg (II) were discussed. The adsorption process fitted to Freundlich adsorption isotherms for both metal ions. Adsorption rate constants were also found.
作者 He Yong-bing Fu Zhao-lin Meng Ling-zhi Chen Yuan-yin
机构地区 Wuhan Univ
出处 《Wuhan University Journal of Natural Sciences》 EI CAS 1999年第3期331-334,共4页 武汉大学学报（自然科学英文版）
关键词 Key wards cellulose derivative ADSORPTION HISTIDINE CU(II) HG(II) Key wards cellulose derivative adsorption histidine Cu(II) Hg(II)
分类号 O636.1 [理学—高分子化学]
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参考文献10

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Wuhan University Journal of Natural Sciences
1999年 第3期

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