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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, PN
The 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 Chemistry

Volume

80

Pagination

479-482

ISSN

0036-0244

Department/School

School of Natural Sciences

Publisher

MAIK Nauka - Interperiodica

Place of publication

Russian Federation

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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