The thermal effects of nucleation and crystallization of KBr solutions
✍ Scribed by J∅rgen Christoffersen; Margaret R. Christoffersen
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 188 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0022-0248
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## Abstract Gypsum (Calcium Sulphate Dihydrate) has been precipitated by mixing aqueous solutions of calcium chloride, sodium sulphate and sodium chloride at 25°C. In the absence of solid gypsum, classical nucleation theory predicts rates reasonably well only at the expense of some adjustable param
Metastable zone width measurements in aqueous solutions of 18 well soluble substances have been .sed for the characterization of the nucleation process in absence and in presence of crystals. As could be expected, it has been confirmed that the specific surface energy of the critical nucleus is only