Effects of physical adsorption on porous interstellar grains

Details Effects of physical adsorption on porous interstellar grains Effects of physical adsorption on porous interstellar grains

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.263..214a&link_type=abstract

Nature, vol. 263, Sept. 16, 1976, p. 214, 215. Research supported by the Science Research Council.

Physics

7

Adsorption, Hydrogen Clouds, Interstellar Matter, Meteoritic Composition, Microporosity, Rare Gases, Gas Density, Interstellar Gas, Porous Materials

Scientific paper

Microporosity leads to an enhancement of effective physisorption energy and an increase in the adsorption area of a grain by a few orders of magnitude. An enhancement of the 'specific adsorption area' in the case of a microporous material is interpreted as resulting from a volume-filling effect. The consequences of these properties for the formation of hydrogen molecules in interstellar space and for the retentive siting of noble gases in meteorites are examined.

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