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首页> 外文期刊>Journal of Micromechanics and Microengineering >The fabrication of a microcolumn for gas separation using poly(dimethylsiloxane) as the structural and functional material
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The fabrication of a microcolumn for gas separation using poly(dimethylsiloxane) as the structural and functional material

机译:使用聚二甲基硅氧烷作为结构和功能材料的用于气体分离的微柱的制造

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摘要

The fabrication and performance of a microcolumn made of poly(dimethylsiloxane) (PDMS) for gas separation is presented. PDMS is a material commonly used as a stationary phase in large-scale chromatography systems, while in this work it serves both as the structural material of the microcolumn as well as a stationary phase enabling gas mixture separation by different absorption and desorption kinetics of the sample components on the column walls. Gas separation is demonstrated for a xylene/benzene vapor mixture at different ratios detected by means of a VOC sensor connected at the exit of the microcolumn. The effect of the microcolumn depth and working temperature on the separation performance of the microcolumn is investigated.
机译:介绍了由聚二甲基硅氧烷(PDMS)制成的用于气体分离的微柱的制备和性能。 PDMS是在大型色谱系统中通常用作固定相的材料,而在这项工作中,它既可以用作微柱的结构材料,又可以用作固定相,从而可以通过样品的不同吸收和解吸动力学来分离气体混合物柱壁上的组件。通过在微柱出口处连接的VOC传感器检测到的不同比例的二甲苯/苯蒸气混合物的气体分离得到了证明。研究了微柱深度和工作温度对微柱分离性能的影响。

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