Abstract
PHYSICAL adsorption should be a fast process, but several glasses have been observed to interact with gases—both inert1 and otherwise2,3—slowly, the process taking a very long time. During recent investigations into the structure of glass fibres using a selective leaching technique, we have prepared a porous glass, predominantly silica in composition, which exhibits slow sorption of gases over long periods of time. These sorption properties can be very greatly modified by thermal pretreatment.
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EVANS, B., WHITE, T. Argon Sorption at 77.4° K on a Microporous Glass. Nature 217, 881–882 (1968). https://doi.org/10.1038/217881a0
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DOI: https://doi.org/10.1038/217881a0
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