Dynamics of water vapor adsorption on humidity-indicating silica gel

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dc.contributor.authorBalkose, D
dc.contributor.authorUlutan, S
dc.contributor.authorOzkan, FCIA
dc.contributor.authorCelebi, S
dc.contributor.authorUlku, S
dc.date.accessioned2019-10-27T11:51:37Z
dc.date.available2019-10-27T11:51:37Z
dc.date.issued1998
dc.departmentEge Üniversitesien_US
dc.description.abstractWell-defined CoCl2-containing silica gels were prepared by impregnation of the aqueous solution of the salt to silica hydrogel, drying and aging methods. Silica gels having 392-437 m(2) g(-1) surface area and 0.21-0.37 cm(3) g(-1) pore volume and having an average particle size of 3 mm were obtained. Aging in CoCl2 solutions decreased the surface area of silica gels from 540 cm(2) g(-1) to 392-430 m2 g-l and pore volume from 0.27 to 0.21-0.23 cm(3) g(-1) for CoCl2 concentration smaller than 0.28 mol dm(-3) in silica gel. Adsorbed water desorbed from the gels absorbing 1917-2555 i g(-1) energy as determined by differential scanning calorimetry. The CoCl2-containing gels were successfully used in dynamic column experiments, with linear relation between velocities of inlet air and movement of blue to pink boundary. The colour change also makes the detection of the defects in column filling which causes air channelling. (C) 1998 Elsevier Science B.V. All rights reserved.en_US
dc.identifier.doi10.1016/S0169-4332(98)00244-X
dc.identifier.endpage46en_US
dc.identifier.issn0169-4332
dc.identifier.issn0169-4332en_US
dc.identifier.issue01.Apren_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage39en_US
dc.identifier.urihttps://doi.org/10.1016/S0169-4332(98)00244-X
dc.identifier.urihttps://hdl.handle.net/11454/34599
dc.identifier.volume134en_US
dc.identifier.wosWOS:000075851300005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofApplied Surface Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectcolumn dynamicsen_US
dc.subjecthumidity-indicatingen_US
dc.subjectsilica gelen_US
dc.subjectcobaltous chlorideen_US
dc.subjectwater vapor adsorptionen_US
dc.titleDynamics of water vapor adsorption on humidity-indicating silica gelen_US
dc.typeArticleen_US

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