An anion-exchange monolithic column was prepared by a polymerization inside a stainless steel tube(150 mm×4.6 i.d.mm),taking glycidyl methacrylate(GMA) as functional monomer,ethylene dimethacrylate(EDMA) as cross-linking agent and in the presence of 1,4-butanediol,1-propanol and water as the porogen solvents and azobisisobutyronitrile(AIBN) as a suitable initiator.Introduction of anion-exchange sites were achieved by reacting with tirmethylamine.Under the optimized reaction conditions and the modified conditions,the chromatographic characteristics of the prepared anion-exchange columns were further studied,and the separation of 5 common anions (such as,acetate,bromate,nitrite,bromide,nitrate) on the prepared anion-exchange column was investigated.The prepared column exhibits more advantages such as simple preparation and low cost,and could be coupled with a commercial ion chromatography system directly,which will be favorable for more applications and investigations.
关键词
阴离子交换整体柱制备离子色谱阴离子分析
Keywords
Anion-exchangemonolithic columnpreparationion chromatography(IC)separation of anions
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Fuzhou Customs Technical Center
College of Biological Science and Engineering,Fuzhou University
Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province,Key Lab of Eco-Environments Related Polymer Materials of MOE,College of Chemistry and Chemical Engineering, Northwest Normal University