How much water does calcined gypsum contain?
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.
Weiss
Horst
H
BASF SE, Polymer Research-Polymer Physics, 67056 Ludwigshafen, Germany.
Bräu
Michael F
MF