Crystallization and Phase Stability of CaSO4 and CaSO4 – Based Salts

被引：27

作者：

Daniela Freyer

Wolfgang Voigt

机构：

[1] Institut für Anorganische Chemie,

[2] TU Bergakademie Freiberg,undefined

[3] D-09596 Freiberg,undefined

[4] Germany,undefined

来源：

Monatshefte für Chemie / Chemical Monthly | 2003年 / 134卷

关键词：

Keywords. Calcium sulfate phases; Gypsum; Hemihydrate; Solubility; Polyhalite.;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Calcium sulfate occurs in nature in form of three different minerals distinguished by the degree of hydration: gypsum (CaSO4·2H2O), hemihydrate (CaSO4·0.5H2O) and anhydrite (CaSO4). On the one hand the conversion of these phases into each other takes place in nature and on the other hand it represents the basis of gypsum-based building materials. The present paper reviews available phase diagram and crystallization kinetics information on the formation of calcium sulfate phases, including CaSO4-based double salts and solid solutions.

引用

页码：693 / 719

页数：26