Environ. Sci. Technol. 2005, 39, 1731-1735
Comparison of Centrifugation and Filtration Techniques for the Size Fractionation of Colloidal Material in Soil Suspensions Using Sedimentation Field-Flow Fractionation L A U R A J . G I M B E R T , †,‡ PHILIP M. HAYGARTH,‡ RONALD BECKETT,§ AND P A U L J . W O R S F O L D * ,† School of Earth, Ocean and Environmental Sciences, Plymouth Environmental Research Centre, University of Plymouth, Plymouth PL4 8AA, U.K., Soil Science and Environmental Quality Team, Institute of Grassland and Environmental Research, North Wyke Research Station, Okehampton, Devon EX20 2SB, U.K., and Water Studies Centre, School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
Sedimentation field-flow fractionation (SdFFF) with UV detection is used to systematically investigate the effect of traditional membrane filtration and centrifugation procedures on the isolation of specific size fractions from soil suspensions. Both procedures were used to isolate the nominal
