期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1052, 期 1-2, 页码 205-209出版社
ELSEVIER
DOI: 10.1016/j.chroma.2004.08.099
关键词
monolithic column; butyl methacrylate phase; stationary phases; LC
Long methacrylate monolithic columns (100 cm x 320 mum i.d.) were prepared from silanized fused-silica capillaries of 320 mum i.d. by in situ copolymerization of butyl methacrylate (BMA) with ethylene dimethacrylate (EDMA) in the presence of a suitable porogen. The separation performance and selectivity of the column were evaluated and compared with a 25 cm x 320 mum i.d. column prepared in the same way by capillary high-performance liquid chromatography (mu-HPLC) The results showed that the 1 m long monolithic column can generate 33 x 10(3) plate number and exhibited good permeability, higher sample loadability, and separation capability. (C) 2004 Elsevier B.V. All rights reserved.
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