Abstract
Complete pore structure analyses were performed for four silica gels, by a combination of the “MP-method” for the micropores and the “corrected modelless method” for the wide pores. Two of the silica gels contained only wide pores, and two both narrow and wide pores. The cumulative pore surfaces agreed with the BET surfaces, and the cumulative pore volumes agreed with the total pore volumes accessible to nitrogen. These are strong indications of the correctness of the analyses. The results for the silica gels with both wide and narrow pores indicate that the BET equation gives correct values for the surface areas of the micropores of the two gels.
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