Question: Given the DLVO expression for two flat plates and weak electrostatic overlap, 328 (KTY AH 12h2 2 ze where V(h)=- + exp(-h/2) Y, =tanh(

Given the DLVO expression for two flat plates and weak electrostatic overlap,

Given the DLVO expression for two flat plates and weak electrostatic overlap, 328 (KTY AH 12h2 2 ze where V(h)=- + exp(-h/2) Y, =tanh( ze, / AkT ), Derive the expression for the critical coagulation concentration, Ce, defined by the condition that V = dv/dh = 0 What is the meaning of a critical coagulation concentration? How does this meaning relate to the stated criterion?

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