Particle Size and Zeta Potential Analyzer Technical Specifications

Key Features

  • Particle size and zeta potential measurement in a wide concentration range, from diluted to concentrated solutions (~40%)
  • Multi-angle measurement for higher separability in particle size distribution analysis
  • Zeta potential measurement of solid surfaces in high salt concentrations
  • Particle concentration analysis using Static Light Scattering
  • Microrheology measurement using Dynamic Light Scattering
  • Gel network and heterogeneity analysis by measuring scattered light intensity and diffusion coefficient at multiple points
  • Standard flow cell that allows two types of measurement (Particle size and Zeta potential) without replacing samples
  • Wide measurement temperature range from 0 to 90°C
  • Temperature gradient function for denaturation (melting temperature) analysis of proteins
  • Electrophoretic mobility measurement and plot analysis for precise zeta potential measurement

Measurement Ranges

  • Zeta Potential: -200 ~ 200 mV
  • Mobility: -2 × 10⁻⁵ ~ 2 × 10⁻⁵ cm²/V·s
  • Particle Size: 0.6 nm ~ 10,000 nm
  • Molecular Weight: 340 ~ 2 × 10⁷ g/mol

Measurement Conditions

  • Temperature Range: 0 ~ 90°C
  • Particle Size Concentration: 0.00001% (0.1 ppm) ~ 40% *¹
  • Zeta Potential Concentration: 0.001% ~ 40% *¹ (Latex 112 nm: 0.00001 ~ 10%, Taurocholic acid: ~ 40%)

Measurement Principles

  • Particle Size: Dynamic Light Scattering (DLS)
  • Zeta Potential: Electrophoretic Light Scattering (ELS) (Laser Doppler Method)
  • Molecular Weight: Static Light Scattering (SLS)

Optical System

  • Particle Size: Homodyne System
  • Zeta Potential: Heterodyne System
  • Molecular Weight: Homodyne System

Cell Units

  • Zeta Potential / Particle Size: Standard Flow Cell Unit
  • Particle Size: Particle Size Cell Unit
  • Particle Size / Molecular Weight: Particle Size Multi-Angle Cell Unit

Light Source & Detector

  • Light Source: Narrow-band Laser Diode
  • Detector: High-Sensitivity APD

Environmental & Power Requirements

  • Temperature Range: 0 ~ 90°C (with gradient function)
  • Power Supply: 100V ± 10%, 250 VA

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