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Protolytic Properties of Silica Modified with Maleinized Linseed Oil
journal contribution
posted on 2023-05-16, 20:05 authored by Kuzmina, KA, Tikhomirova, TI, Isaeva, SK, Nesterenko, PNThe protolytic equilibria on the surface of silicas coated with a layer of maleinized linseed oil (MLO), a new type of carboxylic cation exchangers, were studied using potentiometric titration. The ionexchange capacity of the sorbents was determined, a parameter that first increases and then decreases with increasing concentration of MLO on the silica surface. For the dibasic carboxy groups of MLO, pK a=3.99±0.04 and 4.73±0.04, values close to pK a for succinic acid, a homogeneous analogue of the system under study. © Pleiades Publishing, Inc., 2006.
History
Publication title
Russian Journal of Physical ChemistryVolume
80Pagination
479-482ISSN
0036-0244Department/School
School of Natural SciencesPublisher
MAIK Nauka - InterperiodicaPlace of publication
Russian FederationRepository Status
- Restricted