The crystallization of calcium sulfate dihydrate
β Scribed by B.R Smith; Frank Sweett
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 623 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0021-9797
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π SIMILAR VOLUMES
The seeded crystal growth rate of calcium sulfate dihydrate was measured as a function of supersaturation in \(\mathrm{NaCl}\) electrolyte solutions from 0 to \(6 m\) at temperatures of \(25,50,70\), and \(90^{\circ} \mathrm{C}\). The growth followed a second-order parabolic rate law with activation
## Abstract Two simple related methods for exclusively preparing wellβdeveloped tetragonal bipyramidal crystals of calcium oxalate dihydrate at moderate supersaturations and at ambient temperature are reported. These crystals have an average length of 5.7β7.2 ΞΌm and are easy to wash and filter. One