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SURFACE AREA AND POROSITY

SURFACE AREA AND POROSITY

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Porosity - pore radius<br />

Average pore size is estimated from the pore volume.<br />

Assuming cylindrical pore geometry (type A hysteresis)<br />

average pore radius (r p ) can be expressed as:<br />

Other pore geometry models may require further<br />

information on the isotherm hysteresis before applying<br />

appropriate model.

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