Field-Flow Fractionation: A Versatile Technology for Particle Characterization in the Size Range 10-3 to 102 Micrometers

J. Calvin Giddings, S. Kim Ratanathanawongs, Myeong Hee Moon

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

This article provides an overview on the use of field-flow fractionation (FFF)for particle size analysis and for the characterization of other particle properties such as density, porosity, and the thickness of adsorbed layers. While FFF is a relatively new technology for particle characterization, it is one of the most versatile and powerful techniques now avaiable for characterizing particle populations. The unique features contributing to the effectiveness of FFF include high resolution, relatively high speed, adaptability to different types and sizes of particles, and the ability to collect narrow fractions for further characterization by microscopy and other techniques. For background, the mechanism of FFF is described in two parts, one applicable to particles over 1 μm diameter and the other relevant to submicron size particles ranging down to 1 nm size. It is shown how particle size distributions are obtained for a variety of particulate materials in both size ranges. The strategies needed for measuring particle properties other than size and size distribution are discussed.

Original languageEnglish
Pages (from-to)200-217
Number of pages18
JournalKONA Powder and Particle Journal
Volume9
DOIs
Publication statusPublished - 1991 Jan 1

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Fractionation
Flow fields
Particle size analysis
Density (specific gravity)
Microscopic examination
Porosity
Particle size

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

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abstract = "This article provides an overview on the use of field-flow fractionation (FFF)for particle size analysis and for the characterization of other particle properties such as density, porosity, and the thickness of adsorbed layers. While FFF is a relatively new technology for particle characterization, it is one of the most versatile and powerful techniques now avaiable for characterizing particle populations. The unique features contributing to the effectiveness of FFF include high resolution, relatively high speed, adaptability to different types and sizes of particles, and the ability to collect narrow fractions for further characterization by microscopy and other techniques. For background, the mechanism of FFF is described in two parts, one applicable to particles over 1 μm diameter and the other relevant to submicron size particles ranging down to 1 nm size. It is shown how particle size distributions are obtained for a variety of particulate materials in both size ranges. The strategies needed for measuring particle properties other than size and size distribution are discussed.",
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Field-Flow Fractionation : A Versatile Technology for Particle Characterization in the Size Range 10-3 to 102 Micrometers. / Giddings, J. Calvin; Ratanathanawongs, S. Kim; Moon, Myeong Hee.

In: KONA Powder and Particle Journal, Vol. 9, 01.01.1991, p. 200-217.

Research output: Contribution to journalArticle

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