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Kapok fiber, a natural hollow fiber with thin shell and large cavity, has rarely been used as adsorbent for heavy metal ions. In this paper, kapok fibers were modified with diethylenetriamine pentaacetic acid (DTPA) after hydrophilicity treatment. The adsorption behavior of the resultant kapok-DTPA influenced by pH, adsorption time and initial concentration of metal ion was investigated. The results...
The cellulose derivatives solutions in the presence of surfactants have been investigated by the enhanced Rayleigh scattering (ERS) technique. The ERS experiments yield different information on the aggregate formation of cellulose derivative/surfactant in aqueous solution on the basis of theory of ERS. The results indicated that the ERS intensity of polymer/surfactant system changes in different ways...
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