溶胶-凝胶-均匀沉淀法制备多孔钛胶色谱填料
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摘要
<正>钛胶是一种非常稳定的金属氧化物,与硅胶不同是其在p H 1~14的范围内都能稳定存在~([1,2]),具有很好的酸碱稳定性。同时,钛胶还具有很高的机械强度和热稳定性。而且,钛胶表面不存在对碱性残基的不可逆吸附,可以从根本上解决长期困扰色谱工作者的硅胶液相色谱填料普遍存在的由于"第二效应"所导致的"拖尾"问题。这些优异的性质使得钛胶作为HPLC填料引起了人们广泛的研究
引文
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2 .A.Kurganov,U.Trüdinger,T.Isaeva,et al.Native and modified alumina,titania and zirconia in normal and reversed-phase high-performance liquid chromatography,Chromatographia,1996,42:217-222
3 .Z.T.Jiang,Y.M.Zuo,Synthesis of porous titania microspheres for HPLC packings by polymerization-induced colloid aggregation(PICA),Anal.Chem.,2001,73:686-688
4 .U.Trüdinger,G.Müller,K.K.Unger,Porous zirconia and titania as packing materials for high-performance liquid chromatography,J.Chromatogr.A,1990,535:111-125
5 .T.H.Liu,Z.T.Jiang,R.Li,et al.,Simultaneous determination of cyclamate,acesulfame,and aspartame in beverages by titania-based RP-HPLC,Food Anal.Methods,2013,7:1400-1406