POROSITY OF CERTAIN IRAQI NATURAL SILICA BY MERCURY POROSIMETRY MEASUREMENTS

Abstract

A mercury porosimeter has been used to measure the intrusion volumes on three types of Iraqi natural silica which were: glass sand, standard sand, and flint clay. The intrusion volumes were used to calculate the pore diameter, pore volume, pore area, and pore size distribution. The variation of the pore area in the silica as well as of the pore volume followed the sequence:- Flint Clay > Standard Sand > Glass Sand The order of variation of the properties in this sequence was correlated with the order of the crystinilty of silica.