Neutron scattering from water adsorbed on an alumina membrane (Journal article)

Mitropoulos, A.Ch.Steriotis, T.A.Katsaros, F.K.Tzevelekos, K.P.Kanellopoulos, N.K.Keiderling, U.Sturm, A.Wiedenman, A.


 Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/7335
The pore structure of an alumina membrane was studied by adsorption in conjunction with small-angle neutron scattering (SANS). The effect of an incomplete contrast matching was investigated and simple formulae allowing the calculation of the amount of water adsorbed and the film areas, at various relative pressures, were derived for the ternary system. In the vicinity of the contrast matching point, however, incomplete contrast matching does not introduce a substantial complication to data analysis. The adsorption isotherm was reconstructed from the SANS data and agrees well with the experimental adsorption isotherm. For the alumina membrane, a coordination number of ≃ 10 was estimated from the SANS determined areas.The pore structure of an alumina membrane was studied by adsorption in conjunction with small-angle neutron scattering (SANS). The effect of an incomplete contrast matching was investigated and simple formulae allowing the calculation of the amount of water adsorbed and the film areas, at various relative pressures, were derived for the ternary system. In the vicinity of the contrast matching point, however, incomplete contrast matching does not introduce a substantial complication to data analysis. The adsorption isotherm was reconstructed from the SANS data and agrees well with the experimental adsorption isotherm. For the alumina membrane, a coordination number of ≈10 was estimated from the SANS determined areas.
Institution and School/Department of submitter: Δεν υπάρχει πληροφορία
Subject classification: Membranes
Keywords: Adsorption;Incomplete contrast matching;Small-angle neutron scattering
URI: http://hdl.handle.net/123456789/7335
Publisher: Δεν υπάρχει πληροφορία
Item type: journalArticle
General Description / Additional Comments: Volume 129, Issue 2, pp. 289-295
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031561111&partnerID=40&md5=7ebc54fd5ac998427043e3f3f041b116
Natl. Ctr. for Sci. Res. Demokritos, Institute of Physical Chemistry, 153 10 Ag. Paraskevi, Attikis, Greece
Hahn-Meitner-Institut, Berlin Neutron Scattering Center, Glienicker Strasse 100, D-14109 Berlin, Germany
Subject classification: Membranes
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Item language: en
Item access scheme: free
Institution and School/Department of submitter: Δεν υπάρχει πληροφορία
Publication date: 1997
Bibliographic citation: Δεν υπάρχει πληροφορία
Abstract: The pore structure of an alumina membrane was studied by adsorption in conjunction with small-angle neutron scattering (SANS). The effect of an incomplete contrast matching was investigated and simple formulae allowing the calculation of the amount of water adsorbed and the film areas, at various relative pressures, were derived for the ternary system. In the vicinity of the contrast matching point, however, incomplete contrast matching does not introduce a substantial complication to data analysis. The adsorption isotherm was reconstructed from the SANS data and agrees well with the experimental adsorption isotherm. For the alumina membrane, a coordination number of ≃ 10 was estimated from the SANS determined areas.The pore structure of an alumina membrane was studied by adsorption in conjunction with small-angle neutron scattering (SANS). The effect of an incomplete contrast matching was investigated and simple formulae allowing the calculation of the amount of water adsorbed and the film areas, at various relative pressures, were derived for the ternary system. In the vicinity of the contrast matching point, however, incomplete contrast matching does not introduce a substantial complication to data analysis. The adsorption isotherm was reconstructed from the SANS data and agrees well with the experimental adsorption isotherm. For the alumina membrane, a coordination number of ≈10 was estimated from the SANS determined areas.
Publisher: Δεν υπάρχει πληροφορία
Journal name: Journal of Membrane Science
Journal type: peer-reviewed
Appears in Collections:ΑΡΘΡΑ-ΜΕΛΕΤΕΣ

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