An electroosmotic pump for packed capillary liquid chromatography
An electroosmotic pump for packed capillary liquid chromatography
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DOI：
10.1016/s0026-265x(03)00050-x
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发表时间：
2003-07-01
影响因子：
4.8
通讯作者：
Guan, YF
中科院分区：
文献类型：
--
作者：
Chen, LX;Ma, JP;Guan, YF
构建并评估了能够产生 3 MPa 以上压力和 mul/min 流量的 HPLC 反相流动相的电渗泵 (EOP)。该泵由三个并联的熔融石英毛细管柱（25 cm x 320 mum I.D.）组成，填充有 2 mum 二氧化硅材料、空心电极、高压直流电源和。液体压力传感器。 EOP应用于毛细管液相色谱系统中，代替机械泵进行流动相输送。含有硫脲、萘、蒽、菲和乙腈的标准样品在 15 cm x 320 mum I.D. 上分离。 5 mm Chromasil C-18 填充毛细管柱，以乙腈/水为流动相。 (C) 2003 Elsevier Science B.V. 保留所有权利。
An electroosmotic pump (EOP) capable of generating pressure above 3 MPa and mul/min flow rate with reverse phase mobile phases of HPLC was constructed and evaluated. The pump consisted of three parallel connected fused silica capillary columns (25 cm x 320 mum I.D.) packed with 2 mum silica materials, hollow electrodes, a high voltage DC power supply, and. a liquid pressure transducer. The EOP was applied in a capillary liquid chromatographic system for mobile phase delivery instead of a mechanical pump. Standard samples containing thiourea, naphthalene, anthracene, phenanthrene and acetonitrile were separated on a 15 cm x 320 mum I.D. 5 mum Chromasil C-18 packed capillary column with acetonitrile/water as mobile phase. (C) 2003 Elsevier Science B.V. All rights reserved.