Compacts of powdered material as porous bodies for use in sorption studies

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TypeArticle
Journal titleJournal of Applied Chemistry
ISSN0021-8871
Volume13
Issue4
Pages150158; # of pages: 9
Subjectpowder (shape); porosity; adsorption; spreading tests; water absorption
AbstractDetails are given for the production of rigid porous bodies ( compacts) made by compacting under high pressure fine powders in the particle range of 10-0.01 mu of silica, calcium carbonate, plaster of Paris and molecular sieves. These compacts were used as samples to study sorption and related dimensional changes. The results were used to compute spreading pressure by applying the Gibbs adsorption equation and allowed derivation of the delta l/l vs phi plots using the Bangham relation. With compacts made from molecular sieves , it was possible to study the forces imposed on the particles by water entering or leaving the micropore system.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-185
NRC number7330
3360
NPARC number20375294
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Record identifier1602b5b3-e74b-481c-984e-9dab9ee67dd6
Record created2012-07-23
Record modified2016-05-09
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