铁(Ⅲ)印迹吸附剂去除水中Fe(Ⅲ)的研究

Study on Fe(Ⅲ)-imprinted Sorbent for Removal of Metals Fe(Ⅲ) from Aqueous Solution

近年来金属离子的污染已经成为危害最大的水污染之一。铁造成的环境污染受到广泛关注。合成了一种铁（III）印迹吸附剂来去除水样中的Fe（III）,并采用电感耦合等离子体质谱（Inductively Coupled Plasma Mass Spectrometry,ICP-MS）测定水中Fe（III）浓度。研究了水体p H值、洗脱条件、吸附时间以及循环使用次数等影响因素。方法的检出限为0.025μg/L。该方法的相对标准偏差为1.11%。地表水样中Fe（III）的加标回收率在98%~102%,说明运用Fe（III）印迹吸附剂对水中Fe（III）的去除效果较好。

In recent years,metal ions pollution problem has already become one of the biggest water pollution problems. The environmental pollution caused by ferrum has been paid much attention. A Fe（ III）- imprinted sorbent was prepared to remove Fe（ III） from aqueous solution prior to its determination by Inductively Coupled Plasma Mass Spectrometry（ ICP-MS）. The effects of relevant factors including the p H of solution,elution conditions,adsorption time and the reused times of the sorbent were studied in detail. The detection limit was 0. 025 μg / L. The relative standard deviation of the method was1. 11%. The addition standard recoveries were in the range of 98%- 102% in surface water samples. The sorbent can be used to remove Fe（ III） from aqueous solution with satisfactory results.