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IJEMS Vol.12(4) [August 2005] >


Title: Effect of carboxylic acids on the morphology, physical characteristics and hydration of -hemihydrate plaster
Authors: Singh, N B
Vellmer, C
Middendorf, B
Issue Date: Aug-2005
Publisher: CSIR
IPC CodeC04B11/00
Abstract: Hydration of -hemihydrate in the presence of different concentrations of tartaric, succinic, malic and citric acids was studied. All the acids, except tartaric acid, retard the hydrations. pH measurements have shown that during hydration acids are adsorbed at solid surfaces, leading to the retardation of hydration. E-modulus of elasticity, tensile strengths, total porosity, compressive strength, morphological and temperature changes during hydration were studied. It is found that morphological changes control the strength properties.
Page(s): 337-344
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Source:IJEMS Vol.12(4) [August 2005]

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