SZ-100

Nanopartica Series Instruments

 

The SZ-100 nanopartica series instruments are flexible analytical tools for characterizing the physical properties of small particles. Depending on the configuration and application the system can be used as a particle size analyzer, or also used to measure zeta potential, molecular weight, (MW) and second virial coefficient (A2). Typical applications for the SZ-100 include nanoparticles, colloids, emulsions, and submicron suspensions.

Watch the SZ-100 Product Overview video (3:19)

Particle size analysis is performed by dynamic light scattering (DLS). Depending on the physical properties of the sample, the dynamic range is 0.3 nm – 8 µm. The lower limit is influenced by concentration, how strongly the sample scatters light, and the presence of large, unwanted particles. The upper limit is influenced by the density of the sample since DLS is modeled on all motion coming from Brownian motion, not gravitational settling.

The charge on the surface of particles is characterized by the SZ-100 by measuring the zeta potential of a suspension. The sample is injected into a disposable cell and a measurement of the particle electrophoretic mobility results in the calculated zeta potential. The zeta potential of the sample is most often used as an indicator of dispersion stability. Large magnitude zeta potential values indicate that an electrostatically stabilized suspension will remain stable.  The zeta potential is often measured as a function of pH or other change in the chemistry to help formulators create new products with a long shelf life.  Conversely identifying conditions at which the zeta potential is zero (that is, the sample is at the isoelectric point) allows one to choose optimum conditions for flocculating and separating particles.

The same instrument can also be used to measure the molecular weight and second virial coefficient of proteins, polymers, and other molecules. The user prepares several solutions with known concentrations and then uses the system in a static light scattering mode to create a Debye plot, which results in a calculation of both MW and A2.

Segment: Scientific
Division: Particle Characterization
Base product
Manufacturing Company: HORIBA, Ltd.

 

  • Particle size, zeta potential, molecular weight, and second virial coefficient all in one instrument
  • Wide range of particle sizes and concentrations
  • Particles size measurements at both 90° and 173°
  • Multiple particle size measurement modes for working with small particles and weak scatterers
  • Small volume cells for both particle size and zeta potential

 

 

 

Particle size: Dynamic Light Scattering (DLS) technique

Measurement range

  • Particle diameter: 0.3nm-8.0μm

Measurement Accuracy

  • Particle size: ISO 13321/22412 compliant.
  • NIST traceable polystyrene latex particle standard: 100nm measurement accuracy = +/- 2%

Measurement time

  • Approx. 2 minutes in general for particle size analysis

Sampling cell

  •  Cuvette cell

Sampling volume

  • 12μl ~ 4ml* (* The sampling volume depends on the cell volume capacity.)
 

Zeta potential: Laser doppler electrophoresis technique

Measurement range

  • -200 – +200mV

Measurement time

  • Approx. 2 minutes in general

Sampling cell

  •  Dedicated disposable cell or dip cell 

Sampling volume

  • ~100μl for disposable cell
 

Molecular weight: Static light scattering Debye plot technique

Measurement Range

  •  Mw: 1×103 - 2×107 g/mol

Sampling cell

  •  Cuvette cell
 

Physical

Power supply: AC 100-240V, 50/60Hz, 150VA

Laser: DPSS 532 nm, 10 mW Class I

Interface: USB 2.0, between the analyzer and PC

External dimensions: 385(D) ´ 528(W) ´ 273(H) mm (Except for projections)

Mass approx: 25kg

Temp control range: 1-90℃ for particle size, 1-70℃ for zeta potential

Operating temp and humidity: 15-35℃, Relative humidity = 85% or less, no condensation

Condensation control: Purge port connection available

Accessories

Particle size cells

 Cell nameMin volumeSolvent
ADisposable cell1.2 mLAqueous
BSemi-micro cell500 µLAqueous, non-aqueous
CGlass cell1.2 mLAqueous, non-aqueous
DSemi-micro disposable cell600 µLAqueous
ECell with lid1.2 mLAqueous, non-aqueous
FMicro cell (90° only)12 µLAqueous, non-aqueous
GSub-micro cell200 µLAqueous, non-aqueous
HFlow cell100 µLAqueous, non-aqueous

Zeta potential cells


Disposable zeta potential cells for aqueous measurements. Box of 20 Volume = 100 µL


Non-aquoeus zeta potential cell. Volume = 100 µL

Analytical Chemistry in Pharmaceuticals and Medicine Manufacturing
Analytical Chemistry in Pharmaceuticals and Medicine Manufacturing
Analytical Chemistry in Biotechnology
Analytical Chemistry in Biotechnology
Waste Water Treatment and Disposal in Water Waste Management and Remediation Services
Waste Water Treatment and Disposal in Water Waste Management and Remediation Services
SZ-100 catalog
CategoryDocuments
Size 3.87 MB
FiletypePDF
HORIBA_Particle_Lineup
CategoryDocuments
Size 0.45 MB
FiletypePDF

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