采用表面接枝印迹技术,以Cd2+作为模板离子,二乙烯三胺基丙基三甲氧基硅烷为功能分子,硅胶为支撑物,环氧氯丙烷为交联剂,在硅胶表面制备了一种新型的Cd2+离子印迹硅胶材料,并利用平衡吸附法研究了印迹材料的吸附性能和选择识别能力.结果表明,最大吸附量为30.8mg/g,20min即可达到吸附平衡；当pH值在4～8范围内,印迹材料保持了较好的吸附容量；印迹材料对Cd2+离子具有较强的选择性识别能力,重复使用性能稳定.
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