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Crystallization and Precipitation: The Optimal Supersaturation

✍ Scribed by Prof. Dr. Alfons Mersmann; Michael Löffelmann

Publisher
John Wiley and Sons
Year
1999
Tongue
German
Weight
466 KB
Volume
71
Category
Article
ISSN
0009-286X

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📜 SIMILAR VOLUMES

Crystallization and Precipitation: The O
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Dedicated to Professor Dr. Klaus Wintermantel on the occasion of his 60th birthday In this article the optimal supersaturation for cooling and evaporation crystallization are presented. This information is based on a simplified model which describes the metastable zone width of activated nucleation.

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## Abstract Slow barium chromate precipitation was studied in well‐stirred solutions — final concentration 0.002 mole 1^−1^ — at 20°C at mixing rates varying from 0.2 to 2 · 10^6^ mole 1^−1^ sec^−1^; the kinetics of the crystal growth process were studied by chemical analysis and by optical microsc

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The article describes the effect of degree of supersaturation, σ, on the crystallization of specific polymorphs of phenylbutazone from its methanolic solution at 20°C. At low initial supersaturation, σ ≤ 2.0, the fraction of the metastable α polymorph in the crystallized product exceeds that of the

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✍ Dr. A. Packter; S. Sahay 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 English ⚖ 337 KB 👁 1 views

## Abstract The precipitations of barium sulphate and chromate were studied by slow addition of anion to metal cation solution at 20°C, to give final equivalent metal salt solutions; the final solute concentrations (__C__~fin~) were varied from 0.002 to 0.30 mol l^−1^ while the rates (__R__) of add