Dynamic light scattering from power-law polydisperse fractals

Application of dynamic scaling to humic acid

S. Z. Ren, E. Tombácz, James A. Rice

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We report an investigation of dynamic light scattering (DLS) from humic acid, an organic colloidal fractal system in aqueous solution. The system is found to be power-law-polydisperse in size and the DLS spectra show the arithmetic and harmonic mean relaxation rates to be a fractional power of momentum transfer. This behavior is described by the dynamic scaling theory developed by Martin, Leyvraz, and Ackerson.

Original languageEnglish
Pages (from-to)2980-2983
Number of pages4
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume53
Issue number3
Publication statusPublished - 1996

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Dynamic Scaling
Dynamic Light Scattering
Fractal
fractals
Power Law
light scattering
scaling
Harmonic mean
Scaling Theory
acids
Fractional Powers
Momentum
momentum transfer
aqueous solutions
harmonics

ASJC Scopus subject areas

  • Mathematical Physics
  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics

Cite this

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abstract = "We report an investigation of dynamic light scattering (DLS) from humic acid, an organic colloidal fractal system in aqueous solution. The system is found to be power-law-polydisperse in size and the DLS spectra show the arithmetic and harmonic mean relaxation rates to be a fractional power of momentum transfer. This behavior is described by the dynamic scaling theory developed by Martin, Leyvraz, and Ackerson.",
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