A simple strategy for the synthesis of well-defined bassanite nanorodsElectronic supplementary information (ESI) available: Experimental details, figures and tables. See DOI: 10.1039/c5ce00519a

Bassanite is a metastable but industrially important form of calcium sulfate, which is commonly produced by heating of gypsum. Here we show that pure bassanite can also be obtained at ambient conditions by quenching aqueous CaSO 4 solutions in ethanol. This highlights that organic solvents can actua...

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Bibliographic Details
Main Authors: Tritschler, U, Kellermeier, M, Debus, C, Kempter, A, Cölfen, H
Format: Article
Language:English
Online Access:Get full text
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Summary:Bassanite is a metastable but industrially important form of calcium sulfate, which is commonly produced by heating of gypsum. Here we show that pure bassanite can also be obtained at ambient conditions by quenching aqueous CaSO 4 solutions in ethanol. This highlights that organic solvents can actually induce the formation of metastable phases rather than freezing precipitation processes. Quenching of calcium sulfate solutions into organic solvents is a convenient method to produce uniform nanoparticles of bassanite, a metastable but industrially important phase.
ISSN:1466-8033
DOI:10.1039/c5ce00519a