The UNC School of Pharmacy Compounding Lab
Suspensions and Gels
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The electrolyte concentration does not completely neutralize the zeta potential of the suspended particles.

The electrolyte concentration completely neutralizes the zeta potential of the suspended particles.

The electrolyte concentration imparts a charge opposite the original zeta potential of the suspended particles.
 

 

 
The electrolyte potassium phosphate (KH2PO4) is used as a flocculating agent in the laboratory experiment. There is a particular range that will produce acceptable flocculated suspensions. What happens in this optimum electrolyte range?