多壁碳纳米管固相萃取技术的应用

Application of multi-walled carbon nanotubes in solid-phase extraction technique

多壁碳纳米管是一种新型纳米材料,具有独特的管状结构、良好的化学稳定性、热稳定性和高比表面积,是一种优秀的吸附材料。本文综述了多壁碳纳米管的合成,多壁碳纳米管固相萃取技术在农药残留、金属离子、多环芳烃化合物等分离富集方面的应用,以期为多壁碳纳米管固相萃取技术的进一步拓展应用提供参考。

As a novel nanomaterial, multi-walled carbon nanotubes （MWCNTs）possess peculiar structures and superior chemistry stability,thermal stability and high specific surface area,which could be considered as one of the ideal absorption materials.In this paper,the synthesis of MWCNTs,the applications of MWCNTs in separation and enrichment of pesticide residues, metal ions, compounds of polycyclic aromatic hydrocarbons （ PAHS）, etc were reviewed so as to provide references to the further applications of the technology of solid phase extraction of MWCNTs.