The Malvern Masersizer uses laser diffraction techniques to measure the size of particles. These could be suspensions of solid particles, emulsion droplets or even dry powders.
Hypermer technologies are designed to give small and uniform particle size distributions. The more uniform the particle size is the more uniform the polymer lengths of the final polyacrylamide formed post-reaction is. Measurement of the particle size can be used to demonstrate that a good emulsion has been formed and that the homogenisation stage of the reaction has been successful.
The Malvern Mastersizer uses the principles of static light scattering (SLS) and Mie theory to calculate the size of particles in a sample. The basic principle is that small particles will scatter light at large angles and large particles will scatter light at small angles. The scattering pattern produced by the sample is recorded and by applying Mie scattering theory the distribution of particle sizes can be calculated.
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