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试验和模拟分离性能在毛细管-在-多重组器件中的比较

Christopher Piccolo¹, Michael Keller², Daniel J Czarnecki³

¹Department of Chemistry & Biochemistry, Rowan University, Glassboro, NJ 08028, United States.

Journal of chromatography. A

|October 15, 2024

概括

一种新型的管-在-多重包装的毛细管柱装置增强了液体染色学 (LC) 分离. 这种设计可以在3微米以下的粒子下实现高效率,从而实现超高压和低死体积连接.

科学领域:

分析化学分析化学
染色学科学染色学科学

背景情况:

毛细液体色谱 (LC) 在分离效率和流体连接方面面临局限性.
现有的柱子设计往往难以应对超高压力,并尽量减少死体积.

研究的目的:

介绍和评估一种新的金属管-在-多重包装床毛细血管柱装置.
解决毛细血管LC分离的共同挑战,包括效率和流体集成.

主要方法:

专装置的实验包装中含有低于3微米的核心外颗粒.
使用计算流体动力学 (CFD) 建模来模拟和验证分离性能.
执行多组分分离实验,以评估设备的功能.

主要成果:

通过开发的柱子装置,实现了超过47,000张/m的分离效率.
对实验LC结果进行验证的CFD模型,准确预测组件峰值保留时间.
证明了带有圆柱形几何形状和超高压,低死体积连接的封装毛细管柱的可行性.

结论:

管在多重组的设计有效地克服了毛细血管LC的局限性.
该设备支持使用先进的包装材料进行高效分离.
为了准确的效率预测,需要对CFD建模进行进一步的改进.

关键词:

列的准备列的准备计算流体动力学计算流体动力学液体色谱学液体色谱学液体色谱学微流体学微流体学

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