Particle size distribution

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Mastersizer 3000 (Malvern Panalytical), CPA 2-1 (Haver & Boecker)

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Particle size distribution

Range: 0.01 µm – 3 cm

Particle size distribution analysis is one of the services offered by Alfatestlab for the characterisation of powder, suspension and emulsion products. Accurate particle size distribution over a representative number of particles is a key quality parameter for a variety of products in many industries. AlfatestLab performs particle size analyses with laser diffraction technique in the 0.01 µm-3500 µm range and with dynamic image analysis in the 20 µm-3cm range. AlfatestLab offers other particle size analysis techniques such as static Automated Image Analysis (0.5-10,000 um), or SEM Scanning Electron Microscopy, we are available to perform the most suitable analysis for your application.

For particle size analysis techniques with range < 1um click here

More Details

Our instrumentation allows both dry (in air) and wet (in liquid) dispersion of samples, thanks to various dispersion units for small, medium and large volumes. The choice is made according to the amount of sample available, the dispersant to be used (water, oil, organic solvent, etc.), and the particle size range of the sample.

The dispersed sample is transported to dedicated cells and illuminated by a laser beam. The particles scatter the laser light at angles inversely proportional to their size; the scattered light is then analyzed by a series of detectors placed downstream of the cell. From the analysis performed, a report of the particle volume size distribution is obtained, as well as all standard parameters such as D10, D50, D90, D4:3, etc.

Alfatestlab can provide method development, method transfer (from Mastersizer 2000 to Mastersizer 3000), method validation or single analysis service.