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AC Susceptometer – RISE Acero DynoMag

Magnetic Characterization of Liquid, Powder or Solid Samples

DynoMag AC Susceptometer

The DynoMag is a portable, easy to use AC susceptometer that can characterize magnetic nanoparticles (MNPs) and other magnetic materials. AC susceptometry provides detailed information on how quickly magnetization is building up in a material. An excitation magnetic field is applied to the sample and the in-phase and out-of-phase susceptibility is measured in a specific frequency range. Not only influenced by the material itself, the AC susceptibility of MNPs is also affected by particle size, distribution, molecules on the nanoparticle surface, and other characteristics of the sample. All of these effects influence the frequency dependent AC susceptibility of the sample. The affordable DynoMag AC susceptometer provides a wide range of frequencies at which samples can be characterized in this way.


  • Suitable for liquids, powders and solids
  • Portable, easy-to-use AC susceptometer
  • Frequency range of 1 Hz up to 500 kHz
  • High frequency model available (25 kHz up to 10 MHz)
  • System includes analysis package

Possible Applications

  • Dynamic magnetic analysis in the field of magnetic nanoparticles (MNPs)
  • Study stability and possible particle clustering during for instance bio-functionalizing of MNPs
  • Determine the size distribution of MNPs using DynoMag software (including both Brownian and NĂ©el relaxation)
  • Follow the binding reactions of biomolecules to MNPs

Supplier Info

RISE Acero

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