| 液相色谱流动系统的流体动力学研究 |
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| 引用本文： | 庞秀言,孙汉文,申世刚.液相色谱流动系统的流体动力学研究[J].河北大学学报(自然科学版),2004,24(5):498-501. |
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| 作者姓名： | 庞秀言 孙汉文 申世刚 |
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| 作者单位： | 河北大学,化学与环境科学学院,河北省分析科学与技术重点实验室,河北,保定,071002 |
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| 摘 要： | 以流体机械能守恒定律为依据,建立了流动相在液相色谱系统中的流体动力学模型P=k1+k2 qu,并以典型的液相色谱系统证明了其正确性,即流动相的体积流量和其在色谱流动系统中产生的压强降为线性关系,而流动相的粘度对压强的影响表现在系数k2上的不同,粘度增加,k2值增大.此研究为高效液相色谱分析中色谱柱、流动相及其体积流量的优化选择及辅助系统的设置提供了理论依据和指导.
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| 关 键 词： | 高效液相色谱 机械能守恒定律 流体动力学模型 体积流量 粘度 |
| 文章编号： | 1000-1565(2004)05-0498-04 |
| 修稿时间： | 2003年11月8日 |
Study on the Hydrodynamics Law in Liquid Chromatography System |
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| PANG Xiu-yan,SUN Han-wen,SHEN Shi-gangollege of Chemistry and Environmental Science,Hebei University,Baoding ,China.Study on the Hydrodynamics Law in Liquid Chromatography System[J].Journal of Hebei University (Natural Science Edition),2004,24(5):498-501. |
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| Authors: | PANG Xiu-yan SUN Han-wen SHEN Shi-gangollege of Chemistry and Environmental Science Hebei University Baoding China |
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| Institution: | PANG Xiu-yan,SUN Han-wen,SHEN Shi-gangollege of Chemistry and Environmental Science,Hebei University,Baoding 071002,China) |
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| Abstract: | According to the law of conservation of mechanical energy, a hydrodynamics model of the mobile phase in HPLC system is established as P=k_1+k_2q_v.In the Shimadizu HPLC system,the model has been testified that the volume flow rate of the mobile phase has a linear effect on the lose of mechanical energy,while the effect of viscosity to k_2 is less remarkable than that of volume flow rate.The model would give a theory introduction in the selection of optimizing operation condition such as mobile phase,volume flow rate,chromatographic column and accessory system. |
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| Keywords: | HPLC the law of conservation of mechanical energy model of hydrodynamics volume flow rate viscosity |
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