Analytics

Particle measurements

Particle size
  • Camsizer, Retsch GmbH
    • photo-optical measurement of the particle size (ISO 13322-2)
    • suitable for dry particles
    • range between 30 µm and 30 mm
  • Camsizer XT, Retsch GmbH
    • photo-optical measurement of the particle size (ISO 13322-2)
    • suitable for dry and wet particles
    • range between 10 µm and 3 mm (gravity dispersion)
    • range between 1 µm and 1.5 mm (air pressure dispersion)
    • range between 1 µm and 0.6 mm (wet dispersion)
  • Vibratory Sieve Shaker, Fritsch GmbH
Particle and solid densities
  • Gas pycnometer, Ultrapycnometer 1000, Quantachrome GmbH & Co. KG
    • operated with helium
  • Gas pycnometer, Minidens TCO, Grabner Instruments
    • operated with air
  • Pycnometer, GeoPyc 1360, Micromeritics GmbH
    • operated with free-flowing powder (Dry Flow)
Compressibility of particles
  • Penetrometer PNR 20, Petrotest Instruments GmbH & Co KG
    • Measurement of compressibility and tensile strength of granules up to 100 N
Scanning Electron Microscopy
  • Desktop REM „Phenom“, Phenom-World BV
    • magnification: 20 to 24000
  • Desktop REM „Phenom G2 Pro“, Phenom-World BV
    • magnification: 20 to 45000
    • evaluation of the pictures using “Phenom Pro Suite”
Confocal Laser Scanning Microscopy
  • Leica TCS SPE, Leica Microsystems
    • 3 Solid State Laser (488 nm, 532 nm, 635 nm)
    • tuneable spectral detection from 430 to 750 nm
    • spectral resolution 5 nm
White Light Interferometry
  • Contour GT-K0, Bruker
    • Measurement of 3D surface structures
    • automatic adjustment of objectives
    • XY-resolution: 3 µm
    • Z-resolution: VSI 6 nm / PSI 0.008 nm
Measuring particle structures using X-ray tomography
  • CT-ALPHA, ProCon X-ray GmbH
    • sample size up to 300 mm
    • exposure of the sample using up to 160 kV
    • max. resolution (voxel) up to 0.6 µm
    • Visualizing the particle structure and calculation of characteristic parameters (e.g. porosity, fractal dimension, etc.) using MAVI software (Fraunhofer Institute for Industrial Mathematics)
Particle velocity (PIV und PTV)
  • Highspeed camera, HighSpeedStar 3-1K, LaVision GmbH
    • CMOS Sensor
    • 1024x1024 Pixel
    • 12 GB RAM
    • Evaluation using DaVis Software, LaVision GmbH



Analysis of particle moisture content and drying kinetics

Sorption isotherms
  • DVS, DVS Advantage, Surface Measurement Systems Ltd.
Drying kinetics
  • Levitator
    • contactless drying of single droplets (convective)
    • Measurement of volumetric flow rates and gas moisture contents
    • Evaluation of geometric changes of the single droplet using a combination of microscopes and cameras
  • Magnetic suspension balance
    • Investigation of single particle drying kinetics (drying curve)
    • sample size up to 8 g
    • resolution: 1 µg
Moisture content of particles
  • Drying oven, ULP 500, Memmert GmbH & Co. KG
  • Vacuum drying oven, VO 400, Memmert GmbH & Co. KG
  • Moisture analyzer, MA 45/MA 100, Sartorius
  • Coulometer, WDS 400, Sartorius
  • Near-Infrared-Spectrometer (FT-NIR), Matrix-F, Bruker
    • Measurements in contact and contactless
    • suitable for lab-scale measurements
  • Near-Infrared-Spectrometer (FT-NIR), ANTARIS II At-Line Analysator, Thermo Fisher Scientific GmbH
    • suitable for measurements in the production scale
    • including RESULT software
  • Desktop NMR Spectrometer, Minispec MQ60, Bruker

 

Thermal and chemical material properties

Glass transition temperature
  • DSC, Netzsch GmbH
Heat capacity and phase transition processes
  • DSC/DTA, Netzsch GmbH

 

 

Gas measurement equipment

Gas moisture content measurement using Dew-Point Meters and Infrared-Spectroscopy
  • Optidew Vision, Michell Instruments GmbH
  • NGA 2000 MLT 3, Rosemount Inc.

Last Modification: 23.03.2020 - Contact Person: Webmaster