Experimental study on the separation of silica gel supports by gravitational field-flow fractionation
✍ Scribed by Jiří Pazourek; Eva Urbánková; Josef Chmelík
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 383 KB
- Volume
- 660
- Category
- Article
- ISSN
- 1873-3778
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📜 SIMILAR VOLUMES
Retention of both porous and nonporous chromatographic silica gel supports of size range 0.62᎐10 m is investigated by gravitational field-flow fractionation with respect to sample preparation and carrier liquid composition. The possibility of sample mass calibration is demonstrated. The separation m
Retention of nonporous micron-sized silica gel particles in gravitational field-flow fractionation (GFFF) was investigated with respect to the activity of the hydrodynamic lift-forces and surface forces. The hydrodynamic lift-forces act near the channel wall in the same direction as repulsive electr