Sample Type

    Sizing: Globular proteins, nanoparticles, and small polymers as well as most colloidal-sized materials in any non-absorbing liquid

    Zeta Potential: Proteins, nanoparticle, polymer and colloidal-sized materials, suspended in any non-absorbing liquid, with relative permittivity (dielectric constant) > 1.5 and viscosity < 30 cP.
    Size Range

    Sizing: > 0.3 nm to 10 µm diameter, depending on refractive index and concentration

    Zeta potential: 1 nm to 100 µm, sample dependent
    Mobility range10-11 to 10-7 m2 /V*s
    Zeta potential range-500 mV to 500 mV, sample dependent
    Maximum sample conductivity

    Sizing: unlimited

    Zeta potential: 220 mS/cm, covering saline and PBS solutions for proteins, sample dependent
    Sample Cells

    Sizing: 1 to 3 mL disposable plastic, 50 µL disposable, 40 µL quartz flow cell, 10 µL quartz minimum

    Zeta potential: 180 µL, 600 µL, 1250 µL
    Concentration Range

    Sizing: 0.1 ppm to 50 mg/mL, depending on refractive index and concentration

    Zeta potential: 40% v/v, sample dependent
    Signal Processing

    Sizing: Dynamic Light Scattering, DLS

    Zeta potential: Electrophoretic & true Phase Analysis Light Scattering, ELS & PALS
    CorrelatorBrookhaven's TurboCorr, multitau research grade with 510 hardware channels, covering the equivalent of 1010 linearly-spaced channels, 100% efficiency, real-time operation over the entire delay-time range

    Sizing: ± 1% typical

    Zeta Potential: ± 3% typical
    Temperature Control-5 °C to 110 °C, ± 0.1 °C, active control. No external circulator required.
    Condensation ControlPurge facility using dry air, nitrogen preferred
    Standard Laser35 mW red diode laser, nominal 640 nm wavelength
    Scattering Angles15°, 90°, and 173°
    Data Presentation

    Average & width, lognormal fit, and multimodal size distribution standard.

    Doppler Frequency Shift, electrophoretic mobility, zeta potential using Smoluchowski, Hückel or Henry.
    ComplianceISO 13321 and ISO 22412 compliant results
    Power Requirements100/115/220/240 VAC, 50/60 Hz, 150 Watts
    Dimensions23.3 x 42.7 x 48.1 (HWD in cm)
    Weight15 kg
    Environmental Characterisitics

    Temperature 10 °C to 75 °C
    Humidity 0% to 95%, non-condensing

    CE CertificateClass I laser product, EN 60825-1:2001 CDRH