Disperse the nanoparticles - increase the stabilization of the disperse system. This can be done by changing the concentration of electrolyte, рН, surfactant, high-molecular compound, adding or changing the dispersant, the influence of the magnetic field. I do not mean the crushing on which energy is necessary.
Best regards.
The only dispersing agent is energy. Chemicals added to the system are either wetting agents or stabilizers. The steps in making a stable dispersion are wetting, separation (the key step and sonication is the most effective), and stabilization. One possible exception is stress corrosion milling. Look at:
Nov 11th, 2008. Dispersion and nanotechnology http://tinyurl.com/hpywsge
Using mechanical strength by high shear disperser equipment . in this case the viscosity of your solution must be increased either by high concentration either by using thickeners ( cellulosic?)
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