The influence of pH buffers on hydration of hydraulic phases in system CaO-Al2O3
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F16%3APU118570" target="_blank" >RIV/00216305:26310/16:PU118570 - isvavai.cz</a>
Result on the web
<a href="http://www.springer.com/home?SGWID=0-0-1003-0-0&aqId=2966587&download=1&checkval=45ae59c2baf0d98a5158ff223f4179f6" target="_blank" >http://www.springer.com/home?SGWID=0-0-1003-0-0&aqId=2966587&download=1&checkval=45ae59c2baf0d98a5158ff223f4179f6</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10973-015-5190-z" target="_blank" >10.1007/s10973-015-5190-z</a>
Alternative languages
Result language
angličtina
Original language name
The influence of pH buffers on hydration of hydraulic phases in system CaO-Al2O3
Original language description
The present paper deals with the study of pH buffer influence (pH + ions) on hydration course of tricalcium aluminate (C3A), monocalcium aluminate (CA), monocalcium di-aluminate (CA2) and dodecacalcium hepta-aluminate (C12A7). These calcium aluminate phases were synthesized at 1450°C (CA and C3A), 1600 °C (CA2) and 1360 °C (C12A7) respectively. The purity of synthetized products was controlled by XRD. Then, different calcium aluminate phases were hydrated at 25 °C in excess of water at pH 6 and with buffers to kept the pH values at 9, 11 and 13. The evolution of hydration heat was monitored by isothermal calorimetry during 48 hours. After this period, hydration was stopped and the products were cross-characterized with different techniques: X-ray diffraction (XRD), high-temperature X-ray diffraction (HT-XRD), combined differential thermal analysis - thermogravimetry - effluent gas analysis (DTA-TG-EGA). It was found out that the hydration course and the nature of hydration products of different calcium aluminate phases are strongly dependent on the hydration environment (pH + ions).
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10406 - Analytical chemistry
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Thermal Analysis and Calorimetry
ISSN
1388-6150
e-ISSN
1588-2926
Volume of the periodical
neuveden
Issue of the periodical within the volume
124
Country of publishing house
HU - HUNGARY
Number of pages
10
Pages from-to
629-638
UT code for WoS article
000373576600007
EID of the result in the Scopus database
2-s2.0-84949933393