ACCESS TO STABILITY
This principle of measurement is used by the Turbiscan™ in order to detect particle size change and/or local concentration change while the sample is destabilizing, this more accurately and faster than the eye.
HOW IT WORKS ?
MLS consists of sending photons (NIR light source, 880nm) into the sample. These photons, after being scattered many times by the particles (or droplets) in the dispersion emerge from the sample and are detected by the 2 detectors of the Turbiscan™ reading head:
Transmission for non opaque samples
(0° from light source)
Backscattering for opaque samples
(135° from the light source)
Backscattering is directly related to the photon transport mean free path. Thus Backscattering intensity depends on particle size and concentration.
• No sample preparation
• Non intrusive technique
• No dilution
Up to 95% v/v
From 5 nm to 1000 µm
From Backscattering measurement it is possible to:
• Monitor size change versus time
• Monitor local concentration change versus time (with the Turbiscan™ scanning reading head)
• Measure Particle mean diameter or concentration
• Measure photon transport mean free path l* or photon mean free path l
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