提出了质子化甲壳素富集水中的微量铬(Ⅵ),并运用分光光度法进行了测定.铬(Ⅵ)在酸性介质中以CR2O27-形式吸咐在质子化的甲壳素上,能够被小体积的1mol/LNH3@H2O-NH4CI(pH值10)缓冲溶液而洗脱,探讨了吸附机理和吸脱的最佳条件.
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