Podmore Factor
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Podmore Factor = ( Solubility x 100 ) / Specific Surface
Podmore Factor
The rate at which a solid goes into solution is proportional to the surface exposed on the solid. It follows, therefore, that the solubility of a lead frit, when determined by the standard method will be approximately proportional to its specific surface.
It has been shown expreimentally that the Podmore Factor for a given frit is a constant irrespective of the fineness of grinding and it is, therefore, a useful measure of the intrinsic solubility.
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