Laboratory: Particle size and charge analysis
Measured properties
Size range: 10 nm – 5 mm
- Particle size distribution
- Particle shape
Method/Measuring device
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)
- SEM (Phenom)
- Image analysis of size and shape (self-developed)
- X-ray Computed tomography (Werth Messtechnik GmbH)
Measured properties
- Electrophoretic mobility
- Zeta potential particles/surfaces
- Particle charge/Isoelectric point
- Charge
- Discharging
Method/Measuring device
- 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)