Equilibrium Solubilities of Small Dispersed-Phase Particles

2 Equilibrium Solubilities of Small Dispersed-Phase Particles 

Consider a two-component, two-phase fluid system. Let (3 be a spherical fluid droplet of radius r surrounded by a, the second fluid phase. The equilibrium conditions are 

To find the equilibrium concentration of component B in a as a function of r, the change of n2 with r is considered first. Let Xeq be the equilibrium solubility of component B in a for a system with a planar a/(3 interface. Then 

By assuming that f3 is pure component B (i.e., N% = 0), at constant temperature Eq. C.27 yields 

For a spherical particle of radius r, the chemical potential difference is 

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C.4.2 Equilibrium Solubilities of Small Dispersed-Phase Particles... 

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