This paper describes a study of a range of porous solids using nitrogen adsorption/desorption at 77°K, mercury intrusion/extrusion porosimetry and densitometry in helium and mercury. Qualitative evidence from the techniques used indicated that the materials were representative of classes of pore structures of differing complexity across the spectrum of meso-macropore structures. Since commercial automated instruments and procedures are now widely used routinely in pore structural characterization, the materials offer a means of evaluating the validity of the analytical techniques as a function of the complexity of the pore structure. It appears that only materials consisting exclusively of mesopores can sustain quantitative analysis by these methods. When macropores are present the analyses are less reliable and less consistent. © 1988 Elsevier Science Publishers B.V., Amsterdam - Printed in The Netherlands.
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