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Cho, Jaeweon
OWIELAB(Organic-Water Interface Engineering Laboratory)
Research Interests
  • Convergence of Science and Arts, Feces Standard Money (FSM), Water & Energy

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Characterizations of natural organic matter as nano particle using flow field-flow fractionation

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Title
Characterizations of natural organic matter as nano particle using flow field-flow fractionation
Author
Moon, JiheeKim, Seung-HyunCho, Jaeweon
Keywords
Diffusivity; Flow field-flow fractionation; Hydrodynamic effective size; Nano particle; Natural organic matter
Issue Date
2006-09
Publisher
ELSEVIER SCIENCE BV
Citation
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, v.287, no.1-3, pp.232 - 236
Abstract
Natural organic matter (NOM) was characterized, in terms of its size and diffusivity, using flow field-flow fractionation (FIFFF) equipped with both UV and fluorescence detections. FIFFF characterized a variety of NOM and provided their hydrodynamic effective sizes ranging 0.5-1.5 nm determined from the classical FIFFF theory, depending upon both NOM sources and carrier solutions of FIFFE Diffusivities of various NOM, ranging approximately 4.0-7.0 x 10(-6) cm(2) A depending also upon NOM sources and carrier solutions, were also determined by FIFFE Through FIFFF measurements with NOM, conversion equations from molecular weight unit (i.e., Dalton) to nanometer (nm) were suggested with varying ionic strength values. (c) 2006 Elsevier B.V. All rights reserved
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DOI
10.1016/j.colsurfa.2006.05.046
ISSN
0927-7757
Appears in Collections:
UEE_Journal Papers
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