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Retention behavior of colloidal dispersions in sedimentation field-flow fractionation

✍ Scribed by Yasushige Mori


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
624 KB
Volume
53
Category
Article
ISSN
0001-8686

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## Abstract Sedimentation Field‐Flow Fractionation (SFFF), which is a one‐phase 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

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Most analyses of submicron particles using sedimentation field-flow Ε½ . fractionation SdFFF have been carried out in aqueous systems. However, a nonaqueous carrier solution could be suitable for SdFFF when the particle density is close to the density of water. Few papers have reported the retention

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## Abstract In field‐flow fractionation (FFF), when the sample amount is increased, a shift in retention occurs. Positive as well as negative deviations of the retention have been observed, depending on the type of sample and on the experimental conditions. Two concentration effects have been invok