Colloid characterization by sedimentation field-flow fractionation. IV. Reinjection field-flow fractionation for polydisperse systems
β Scribed by J.Calvin Giddings; Feng-shyang Yang
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 688 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0021-9797
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## Abstract Sedimentation FieldβFlow Fractionation (SFFF), which is a oneβphase chromatographic system, is shown to be a rapid and convenient method for the simultaneous determination of particle size and density in polydisperse colloidal samples. This can be done by a methodology based on the vari
The theoretically predicted inverse relationship between the retention Ε½ . parameter for electrical field-flow fractionation FFF and a sample's particle diameter d is verified experimentally using colloids of well-characterized size and electrophoretic mobility. From observed retentions of these sam