SIZE FRACTIONATION OF CLAY AND SOIL MICROPARTICLES BY CONTINUOUS-FLOW ULTRACENTRIFUGATION

Continuous-flow ultracentrifugation (CFUC) was used to separate soil microparticles (SMP) on the basis of theoretical particle size (Stokes' law), and the results were compared with those from swing rotor centrifugation. Clay and soil particles were clearly separated on the basis of theoretical...

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Bibliographic Details
Published in:Clay Science 2011, Vol.15(2), pp.83-88
Main Authors: MAKINO, TOMOYUKI, INADA, MAKI, KATO, TAKAHISA, ADACHI, YASUHISA, MORITA, MASATAKA
Format: Article
Language:English
Subjects:
Clay
Earth sciences
Earth, ocean, space
Exact sciences and technology
Micro particle
Mineralogy
Silicates
Size-fractionation
Soil
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Summary:Continuous-flow ultracentrifugation (CFUC) was used to separate soil microparticles (SMP) on the basis of theoretical particle size (Stokes' law), and the results were compared with those from swing rotor centrifugation. Clay and soil particles were clearly separated on the basis of theoretical particle size, which was confirmed by a laser-scattering particle-size distribution analysis. These results indicate that CFUC is useful for size fractionation of SMP.
ISSN:0009-8574
2186-3555
DOI:10.11362/jcssjclayscience.15.2_83