Diffusion of fluids in porous solids probed by pulsed field gradient spin echo NMR
β Scribed by P.T. Callaghan; A. Coy; D. MacGowan; K.J. Packer
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 431 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0167-7322
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π SIMILAR VOLUMES
Anisotropic self-diffusion coefficient tensor was determined in the smectic Ad (S,) phase of a polar mesogen CBOOA. The pulsed-field-gradient stimulated-spin-echo NMR technique was applied in combination with angular displacement of a quadrupole coil, to obtain the diffusion coef&ient components bot
Over the past decade several pulsed field gradient stimulated-echo methods have been presented for diffusion measurements in heterogeneous media. These methods have reduced or eliminated the coupling between the applied magnetic field gradient and a constant internal magnetic field gradient caused b