Delayed hydration in white-coat plaster : comparison of different methods of analysis

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TypeArticle
Journal titleMaterials Research and Standards
ISSN0025-5394
Volume8
Issue1
Pages2428; # of pages: 5
Subjecthydration; gypsum plaster; differential thermal analysis; thermogravimetry, chemical analysis; plaster; differential thermal analysis; thermogravimetric analysis; chemical analysis; hydration; magnesuim oxide; Concrete
AbstractSamples of white-coat plaster having the constituents of CaSO[4].2H[2]0, Mg(OH)[2], Ca(OH)[2], CaCO[3], and MgO were analyzed by DTA, TGA, and chemical analysis. Comparison of results shows fair agreement. Analyses of failed plaster are compared with those for sound plaster to show significant differences in the MgO content when the two samples are adjacent to each other in the wall, thus accounting for failure by bulging in localized areas.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierDBR-RP-349
NRC number9980
3060
NPARC number20375568
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Record identifier597fdcd7-3d34-4d96-a0a1-54143dd40482
Record created2012-07-23
Record modified2016-05-09
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