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How Much Water Does Calcined Gypsum Contain?
Author(s) -
Weiss Horst,
Bräu Michael F.
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200900726
Subject(s) - gypsum , calcination , mineralogy , crystal structure , materials science , gray (unit) , crystallography , chemistry , metallurgy , organic chemistry , catalysis , medicine , radiology
Ordered water : Gypsum has been used for construction for millennia. The structure and water content of calcined gypsum, CaSO 4 ⋅0.5 H 2 O, has been under discussion until now: single‐crystal structure analysis (see picture: S yellow, Ca gray, O blue, H red) provides an ordered model that is confirmed by DFT calculations.
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