Particle size and charge analysis - Fachbereich Maschinenbau und Verfahrenstechnik an der RPTU

Laboratory: Particle size and charge analysis

Measured properties	Method/Measuring device
• Particle size distribution • Particle shape Size range: 10 nm – 5 mm	In liquid: • Static light scattering (Horiba) • Dynamic light scattering (Malvern) • Analytical centrifuge LUMiSizer (LUM) • Different particle counters (Klotz, PSS, Hydac) • UV-VIS spectrometer (Analytic Jena) • Spectroscopic extinction sensor (self-developed) • Optical microscopes (Olympus, Leica, Zeiss) • Image analysis (self-developed) In gas: • Scanning mobility particle sizer (TSI) • Aerodynamic particle sizer (TSI) • Condensation particle counter (TSI) • Static light scattering (Welas and AQ Gard from Palas) • 3D particle shape laser scattering sensor (self-developed) • Spectroscopic extinction sensors for sprays (self-developed) • Generators of solid and droplet aerosol samples for size measurement (TSI, Palas, Topas and different self-developed setups) • SEM (Phenom) • Image analysis of size and shape (self-developed) • X-ray Computed tomography (Werth Messtechnik GmbH)
• Electrophoretic mobility • Zeta potential particles/surfaces • Particle charge/Isoelectric point • Charge • Discharging	• Electrophoretic mobility / Zeta-potential analysis (Malvern) • Isokinetic point with titration unit (Mütek) • Electrokinetic analyzer for solid surfaces analysis (Anton Paar) • Aerosol electrometer (TSI) • Differential mobility analyzer (TSI) • Aerosol corona discharger (Palas) • Aerosol Kr-85 neutralizer (TSI) • Nanometer aerosol sampler (TSI)

Measured properties

Method/Measuring device

• Particle size distribution
• Particle shape

Size range: 10 nm – 5 mm

In liquid:
• Static light scattering (Horiba)
• Dynamic light scattering (Malvern)
• Analytical centrifuge LUMiSizer (LUM)
• Different particle counters (Klotz, PSS, Hydac)
• UV-VIS spectrometer (Analytic Jena)
• Spectroscopic extinction sensor (self-developed)
• Optical microscopes (Olympus, Leica, Zeiss)
• Image analysis (self-developed)

In gas:
• Scanning mobility particle sizer (TSI)
• Aerodynamic particle sizer (TSI)
• Condensation particle counter (TSI)
• Static light scattering (Welas and AQ Gard from Palas)
• 3D particle shape laser scattering sensor (self-developed)
• Spectroscopic extinction sensors for sprays (self-developed)
• Generators of solid and droplet aerosol samples for size measurement (TSI, Palas,
Topas and different self-developed setups)
• SEM (Phenom)
• Image analysis of size and shape (self-developed)
• X-ray Computed tomography (Werth Messtechnik GmbH)

• Electrophoretic mobility
• Zeta potential particles/surfaces
• Particle charge/Isoelectric point
• Charge
• Discharging

• Electrophoretic mobility / Zeta-potential analysis (Malvern)
• Isokinetic point with titration unit (Mütek)
• Electrokinetic analyzer for solid surfaces analysis (Anton Paar)
• Aerosol electrometer (TSI)
• Differential mobility analyzer (TSI)
• Aerosol corona discharger (Palas)
• Aerosol Kr-85 neutralizer (TSI)
• Nanometer aerosol sampler (TSI)