Citation: Wen Jun GONG,  Yi Jun ZHANG,  Yu Ping ZHANG,  Seong Ho CHOI. Rapid Preparation of Monolithic Columns for Capillary Electrochromatography Separation[J]. Chinese Chemical Letters, ;2006, 17(6): 813-816. shu

Rapid Preparation of Monolithic Columns for Capillary Electrochromatography Separation

  • Received Date: 7 December 2005

  • Fritless packed silica gel columns were prepared using sol-gel technology. The part of a 75μm i.d. capillary was filled with a mixture of methacryloxypropyltrimethoxysilane, toluene and hydrochloric acid. Four different photoinitiators such as benzoin methyl ether, Irgacure 819, Irgacure 1700 and irgacure 1800 were added in the presence or absence of sodium dodecyl sulfate during the polymerization process. The above eight solutions were irradiated at 365 nm about 5-10 min to prepare the porous monolithic sol-gel columns by a one-step process.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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