NDLI: Potential Barrier Field-Flow Fractionation

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Potential Barrier Field-Flow Fractionation

Content Provider	Scilit
Author	Karaiskakis, George
Copyright Year	2005
Description	Potential barrier field-flow fractionation (PBFFF), developed by Karaiskakis, is a combination of potential barrier chromatography and field-flow fractionation. It can be applied to separate colloidal particles and is based on differences in size or in any physicochemical parameters involved in the potential energy of interaction between the particles and the material of the FFF channel wall. Of the various quantities which affect the total potential energy (surface potential, Hamaker constant, and Debye-Huckel reciprocal distance), none is as accessible to empirical adjustment as the ionic strength of the suspending medium. This quantity depends on both the concentration and the cationic or anionic charge of the indifferent electrolyte added to the carrier solution. In its simplest form, the PBFFF technique consists in changing the ionic strength of the carrier solution from a high value, where only one of the colloidal components of the mixture subject to separation is totally adhered at the beginning of the FFF channel wall, to a lower value, where the total number of adhered particles is released. Book Name: Encyclopedia of Chromatography
Related Links	https://content.taylorfrancis.com/books/download?dac=C2009-1-02373-3&isbn=9780367803766&doi=10.1201/NOE0824727857-286&format=pdf
Ending Page	1346
Page Count	3
Starting Page	1344
DOI	10.1201/noe0824727857-286
Language	English
Publisher	Informa UK Limited
Publisher Date	2005-06-06
Access Restriction	Open
Subject Keyword	Book Name: Encyclopedia of Chromatography Biochemical Research Analytical Chemistry Colloidal Ionic Field Flow Carrier Potential Barrier Flow Fractionation Pbfff
Content Type	Text
Resource Type	Chapter

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