In situ sol-gel preparation of porous alumina monoliths for chromatographic separations of adenosine phosphates.
In situ sol-gel preparation of porous alumina monoliths for chromatographic separations of adenosine phosphates.
复制标题
用于磷酸腺苷色谱分离的多孔氧化铝整料的原位溶胶-凝胶制备。
DOI：
10.1016/j.chroma.2011.03.054
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
Svec,Frantisek
中科院分区：
文献类型：
--
作者：
Zajickova,Zuzana;Rubi,Emir;Svec,Frantisek
A method enabling thein situpreparation of porous alumina monoliths within 100 μm i.d. fused silica capillaries has been developed. These monoliths were prepared using the sol–gel process from a mixture consisting of an inorganic aluminum salt, a porogen, an epoxide, and a solvent. We investigated the effects of varying the preparation conditions on the physical characteristics of the monoliths with respect to their potential application in chromatographic separations. The best columns were obtained from a mixture of aluminum chloride hexahydrate, N,N-dimethylformamide, water, ethanol and propylene oxide. Adenosine phosphates were then separated in the optimized column with retention increasing according to number of phosphate functionalities.
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