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Title:

Towards the Understanding of the pH Dependency of the Chloride Binding of Portland Cement Pastes

Document type:
Zeitschriftenaufsatz
Author(s):
Machner, Alisa; Hemstad, Petter; De Weerdt, Klaartje
Abstract:
Hydrated Portland cement paste exposed to a NaCl solution was acidified by adding HCl in small steps, gradually lowering the pH. The chloride binding of the cement paste changed as a function of the pH. For the range of pH from 13.2 to 12.2, decreasing pH resulted in a considerable increase in the chloride binding. At a pH of 11, the cement paste showed almost no chloride binding. In order to explain the changes in chloride binding upon lowering the pH, the phase...     »
Journal title:
Nordic Concrete Research
Year:
2018
Journal volume:
58
Journal issue:
1
Pages contribution:
143-162
Language:
en
Fulltext / DOI:
doi:10.2478/ncr-2018-0009
Publisher:
Walter de Gruyter GmbH
E-ISSN:
2545-2819
Date of publication:
01.06.2018
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