Abstract

The equilibrium aspects of weak flocculation have been investigated using model dispersions. Direct particle counting techniques from photomicrographs, and turbidity-wavelength measurements have been used to characterize the degree of flocculation as a function of particle concentration in the dispersions. The results indicate a critical particle concentration, below which the system is stable, and above which flocs appear tc be in equilibrium with singlet particles. An attempt has been made to correlate this critical particle concentration with the depth of the energy minimum in the particle interaction curves.

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