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Effect of Sample Concentration in Particle Sizing

In general, particle sizing is realized through the system recognition and reception of optical signals. The intensity of the light signal is determined by the number of particles in the suspension.

Taking laser method as an example, the higher the concentration of particles in suspension, the stronger the scattered light signal is; but the subsequent phenomenon of complex scattering is intensified simultaneously, which affects the measurement results. On the contrary, the lower the concentration of particles in suspension, although the phenomenon of complex scattering is alleviated, the decrease of signal-to-noise ratio and the lack of representativeness also affect the measurement results.

The situation is similar for other particle sizing methods. Therefore, suitable particle concentrations are very important for particle sizing.

particle concentrations

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