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SurPASS - The Electrokinetic Analyzer

Product Announcement from Anton Paar

Use the SurPASS electrokinetic analyzer to investigate the zeta potential of macroscopic solids based on the streaming potential and streaming current method. The zeta potential is related to the surface charge at a solid/liquid interface and is a powerful indicator for the surface chemistry (pH titration) and liquid phase adsorption processes. The SurPASS helps you to understand and improve surface properties and to develop new specialized materials.

An indispensable contribution to solid surface analysis

  • High sensitivity for detecting small changes in the surface properties
  • Easy access to information on surface charge and related properties

From tiny particles to large wafers

  • Different measuring cells for flexible sample mounting
  • Cylindrical Cell for powders (min. particle size 25 µm) and fibers
  • Clamping Cell for non-destructive measurement of planar solids
  • Adjustable Gap Cell for small samples (20 mm x 10 mm)

Save time, reduce downtime

  • Quick exchange of measuring cells
  • Update of measured parameters every second
  • Intuitive software with well-known Microsoft Windows® features

Fully automated measurements

  • Automated measuring procedures requiring little manual interaction
  • Integrated titration unit gives you fully automated adjustment of pH and additive concentration