高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (S1): 581.

• Teaching and Education in Analytical Chemistry;NMR;Others • 上一篇    下一篇

Diffusion-Editing NMR Spectroscopy for Mixtures

KE En-Feng1, YE Jian-Liang2, CHEN Zhong2, WU Qin-Yi2   

  1. 1. Department of Physics, Xiamen Universily, Xiamen 361005, P. R. China;
    2. Department of Chemistry and the Key Laboratory of Analytical Sciences of MOE, Xiamen Universily, Xiamen 361005, P. R. China
  • 出版日期:1999-12-31 发布日期:1999-12-31
  • 基金资助:

    Supported by the National Natural Science Foundation (19605004) and the Key Laboratory of Analytical Sciences of DOEC.

Diffusion-Editing NMR Spectroscopy for Mixtures

KE En-Feng1, YE Jian-Liang2, CHEN Zhong2, WU Qin-Yi2   

  1. 1. Department of Physics, Xiamen Universily, Xiamen 361005, P. R. China;
    2. Department of Chemistry and the Key Laboratory of Analytical Sciences of MOE, Xiamen Universily, Xiamen 361005, P. R. China
  • Online:1999-12-31 Published:1999-12-31
  • Supported by:

    Supported by the National Natural Science Foundation (19605004) and the Key Laboratory of Analytical Sciences of DOEC.

PDF (PC)

摘要：

According to the Stokes-Einstein equation, the diffusion coefficient of a molecule is inversely proportional to the molecular radius, therefore translational diffusion coefficients are different for various molecular sizes. The aim of this work was to develop a diffusion-editing NMR method that allows to directly observe the individual components in mixtures without the need of physical separation.

Abstract:

According to the Stokes-Einstein equation, the diffusion coefficient of a molecule is inversely proportional to the molecular radius, therefore translational diffusion coefficients are different for various molecular sizes. The aim of this work was to develop a diffusion-editing NMR method that allows to directly observe the individual components in mixtures without the need of physical separation.

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