Articles with "27al mas" as a keyword



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Resolution of the Two Aluminum Sites in Ettringite by 27Al MAS and MQMAS NMR at Very High Magnetic Field (22.3 T)

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.6b11875

Abstract: Ettringite (Ca6[Al(OH)6]2(SO4)3ยท26H2O) is the first hydration product formed during Portland cement hydration. 27Al MAS NMR has been used in a wide number of studies to detect and quantify ettringite in hydrated cement blends by the… read more here.

Keywords: mas mqmas; mqmas nmr; mas; magnetic field ... See more keywords

Monitoring the Geopolymerization Reaction of Geopolymer Foams Using 29Si and 27Al MAS NMR

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Published in 2024 at "Minerals"

DOI: 10.3390/min14050516

Abstract: This study aims to investigate the geopolymerization reaction of geopolymer foams produced with three different foaming agents: aluminum powder, zinc powder, and hydrogen peroxide. The geopolymerization reaction of geopolymer foam was monitored using the 27Al… read more here.

Keywords: reaction; reaction geopolymer; geopolymer foams; geopolymerization ... See more keywords