International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

26 - 28 September 2023 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
Zoom Image LOGO_BeNano series - Nanoparticle analysis

BeNano series - Nanoparticle analysis

LOGO_BeNano series - Nanoparticle analysis

BeNano series - Nanoparticle analysis

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Particle characterization from 0.3 nm to 15 µm in terms of size, zeta potential, molecular weight and microrheological properties using DLS, ELS and SLS

 The BeNano series represents the latest generation of nanoparticle size and zeta potential measuring instruments. This system combines dynamic light scattering (DLS), electrophoretic light scattering (ELS) and static light scattering (SLS) to provide measurements of particle size, zeta potential, molecular weight, and rheological parameters. It is widely used in academic and industrial applications.

 Features and benefits at a glance

  • advanced DLS technology: additional detection of backscattering and movable measuring position for higher sensitivity and wider concentration range compared to classic 90° DLS
  • advanced ELS technology: Phase analysis light scattering (PALS) allows zeta potential measurements even of samples with low electrophoretic mobility, e. g., close to the isoelectric point or with high conductivity
  • integrated DLS microrheology measurements: characterization of viscoelastic properties (G', G'', η*, J) over a wide frequency range at zero shear stress
  • temperature and pH-dependent measurements: fully automatic and software-controlled temperature trend (-15 - 110°C) and auto-titration experiments (using BAT-1 titrator)
  • stable and durable optical system: powerful 50 mW solid-state laser, single-mode fibre and avalanche photodiode (APD) detection system for optimal signal-to-noise ratio and maximum sensitivity
  • measurement automation thanks to Standard Operating Procedures (SOPs) in compliance with FDA 21 CFR Part 11 regulations
  • versatile calculation modes: various algorithms and parameters for scientific research requirements
  • comprehensive accessories for versatile applications: from capillary cells for smallest sample volumes (only 3-5 μL), to standard disposable or chemical-resistant glass cells, to U-shaped folded capillary Zeta potential cells or Dip Cell with platinum electrodes


  • Paints, coatings, pigments, inks and toners
  • Colloids, nanometals and metal oxides
  • Pharmaceutical and Home & Personal Care (HPC) formulations
  • Peptides, proteins, biomacromolecules and self-assembled micelles
  • Antigens and Antibodies
  • Food and beverages
  • Polymer latices and water/oil emulsion
  • Characterization of polymerisation and gelation processes
  • Understanding reaction mechanisms

Literature and standards

[1] ISO 13321 Particle size analysis – Photon correlation spectroscopy
[2] ISO 22412 Particle size analysis – Dynamic light scattering (DLS)
[3] ISO 13099-2 Colloidal systems – Methodes for zeta-potential determination – Part 2: Optical methods
[4] CIT (Chemie Ingenieur Technik) 03/2022; „Nanomaterialidentifikation entsprechend EU-Definition“

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POWTECH offers concrete solutions for packaging-intensive industries. Industry guide


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