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Gas-adsorption study of the surface dehydroxylation and rehydroxylation of controlled porosity glasses

✍ Scribed by Bogdan Biliński; Wiesław Wójcik; Andrzej L. Dawidowicz

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
422 KB
Volume
52
Category
Article
ISSN
0169-4332

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Four samples of MCM-41 mesoporous silicas whose average pore diameters are 2.4, 2.8, 3.2, and 3.6 nm were prepared using sodium orthosilicate and cationic surfactants of [CH(3)(CH(2))(n)N(CH(3))(3)]X (n=11, 13, 15, 17). These four samples were calcined at 1123 K in vacuo to obtain the dehydroxylated