Aggregation and disaggregation dynamics of sedimented and charged superparamagnetic micro-particles in water suspension.

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  • Author(s): Domínguez-García P;Domínguez-García P; Pastor JM; Rubio MA
  • Source:
    The European physical journal. E, Soft matter [Eur Phys J E Soft Matter] 2011 Apr; Vol. 34 (4), pp. 36. Date of Electronic Publication: 2011 Apr 11.
  • Publication Type:
    Journal Article; Research Support, Non-U.S. Gov't
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: EDP Sciences Country of Publication: France NLM ID: 101126530 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1292-895X (Electronic) Linking ISSN: 12928941 NLM ISO Abbreviation: Eur Phys J E Soft Matter Subsets: MEDLINE
    • Publication Information:
      Original Publication: Les Ulis, France : Secaucus, NJ : EDP Sciences : Società italiana di fisica ; Springer, [2000-
    • Subject Terms:
      Magnetics*; Water/*chemistry; Colloids/chemistry ; Electrochemistry/methods ; Kinetics ; Materials Testing ; Microspheres ; Particle Size ; Physics/methods ; Potassium Chloride/chemistry ; Quartz ; Salts/chemistry ; Static Electricity
    • Abstract:
      This article presents results on the aggregation and disaggregation kinetics on a 1 μm diameter charged superparamagnetic particles dispersed in water under a constant uniaxial magnetic field in experiments with salt (KCl) added to the suspension in order to observe the behaviour of the system when the electrical properties of the particles have been screened. These particles have an electric charge and are confined between two separated 100 μm thick quartz windows, and sediment near the charged bottom wall. The electrostatic interactions that take place in this experimental setup may affect the micro-structure and colloidal stability of the suspension and thus, the dynamics of aggregation and disaggregation.
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    • Accession Number:
      0 (Colloids)
      0 (Salts)
      059QF0KO0R (Water)
      14808-60-7 (Quartz)
      660YQ98I10 (Potassium Chloride)
    • Publication Date:
      Date Created: 20110412 Date Completed: 20110722 Latest Revision: 20211020
    • Publication Date:
      20231215
    • Accession Number:
      10.1140/epje/i2011-11036-5
    • Accession Number:
      21479782