Applicability of the Hedvall effect to study the reactivity of calcium silicate hydrates

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DOIResolve DOI: http://doi.org/10.1680/adcr.2008.00008
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TypeArticle
Journal titleAdvances in Cement Research
Volume21
Issue2
Pages5966; # of pages: 8
SubjectHedvall effects, crystalline transition, C-S-H; Cement/Concrete
AbstractThe Hedvall effect was used to investigate the reactivity of calcium silicate hydrates (C-S-H) with variable C/S ratios. The solid state reaction between silver nitrate and various C-S-H preparations occurring during the crystalline transition of silver nitrate was evaluated. Thermal methods as well as microscopic and XRD analyses were employed to study the nature of the reaction products and estimate the chemical reactivity of the C-S-H systems. The overall reactivity includes cationic and anionic species i.e. both calcium and silica enter into the reaction. Silver silicate was identified as one of the reaction products.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number50284
19430
NPARC number20377654
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Record identifierb81f7145-73da-43f2-bd9e-41402db8414f
Record created2012-07-24
Record modified2016-05-09
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