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Behavior of Solid Microparticles in Their Fractionation on a Rotating Coiled Column

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Abstract

The potentialities and advantages of using rotating coiled columns for the field-flow fractionation of solid microparticles in the transverse field of centrifugal forces were considered. Some peculiarities of the particle behavior in a rotating coiled column were studied using the retention and separation of model latex and silica gel particles as an example. The effects of the column type, its rotation speed, the flow rate of the carrier liquid, and the inner diameter of the column were studied. It was shown that the weight of solid particles in the sample can be 20 μg and more. On the basis of the revealed regularities, the conditions for separating particles of irregular shapes (quartz sand 1–20 μm) were found.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991, Russia

    O. N. Katasonova, P. S. Fedotov & B. Ya. Spivakov

  2. Institute of Microelectronic Technology and Ultra-high-Purity Materials, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    M. N. Filippov

Authors
  1. O. N. Katasonova
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  2. P. S. Fedotov
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  3. B. Ya. Spivakov
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  4. M. N. Filippov
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Katasonova, O.N., Fedotov, P.S., Spivakov, B.Y. et al. Behavior of Solid Microparticles in Their Fractionation on a Rotating Coiled Column. Journal of Analytical Chemistry 58, 473–477 (2003). https://doi.org/10.1023/A:1024034332170

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  • DOI: https://doi.org/10.1023/A:1024034332170

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