Reports

Variable Porosity in Siliceous Skeletons: Determination and Importance

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Science  30 Mar 1979:
Vol. 203, Issue 4387, pp. 1340-1343
DOI: 10.1126/science.203.4387.1340

Abstract

Gas adsorption data were used to obtain the specific surface area and specific pore volume for a variety of biogenically precipitated silica semples. The results suggest that this material is finely divided and porous. This interpretation was corroborated by the use of transmission electron microscopy at magnifications up to 180,000.

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