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Malvern Zetasizer nano ZS


Particle size and molecular size

Measurement range:0.3nm – 10.0 microns (diameter)
Measurement principle: Dynamic Light Scattering
Minimum sample volume:12µl
Accuracy:Better than +/-2% on NIST traceable latex standards
Precision / Repeatability:Better than +/-2% on NIST traceable latex standards
Sensitivity:0.1mg/mL (Lysozyme)

Zeta potential

Measurement range: 3.8nm – 100 microns (diameter)
Measurement principle: Electrophoretic Light Scattering
Minimum sample volume:150µL (20µL using diffusion barrier method)
Accuracy:0.12µm.cm/V.s for aqueous systems using NIST SRM1980 standard
reference material Sensitivity:10mg/mL (BSA)

Molecular weight

Measurement range:980Da – 20M Da
Measurement principle:Static Light Scattering using Debye plot
Minimum sample volume: 12µl (3-5 sample concentrations required)
Accuracy: +/- 10% typical