Difference between revisions of "File:Film Thickness vs Disjoining Pressure.jpg"

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(Fig. 2. Effective interface potential (left) and corresponding disjoining pressure (right) vs film thickness as predicted by DLVO theory for an aqueous soap film containing 1 m M of 1:1 electrolyte. The local minimum in V(‘), marked by �, gives the eq)
 
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Latest revision as of 18:00, 12 November 2012

Fig. 2. Effective interface potential (left) and corresponding disjoining pressure (right) vs film thickness as predicted by DLVO theory for an aqueous soap film containing 1 m M of 1:1 electrolyte. The local minimum in V(‘), marked by �, gives the equilibrium film thickness in the absence of applied pressure as 130 nm; the disjoining pressure P ¼ �dV=dl vanishes at this minimum. The minimum is extremely shallow compared with the stabilizing energy barrier. To convert kPa to atm, divide by 102. mN=m ¼ dyn=cm ¼ ergs=cm2.

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current18:00, 12 November 2012Thumbnail for version as of 18:00, 12 November 2012610 × 416 (744 KB)Gonzalez (Talk | contribs)Fig. 2. Effective interface potential (left) and corresponding disjoining pressure (right) vs film thickness as predicted by DLVO theory for an aqueous soap film containing 1 m M of 1:1 electrolyte. The local minimum in V(‘), marked by �, gives the eq
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