Thermodynamic Assessment of Pyrometric Monitoring of Gallium Purity during Crystallization Purification

Thermodynamic Assessment of Pyrometric Monitoring of Gallium Purity during Crystallization Purification

— This paper examines key features of the preparation of high-purity Ga from electronic and electrical engineering industry waste. The decrease in the melting point of impurity-containing Ga is assessed thermodynamically in the ideal solution approximation. It is proposed that the purity of gallium...

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Veröffentlicht in:Inorganic materials 2022-10, Vol.58 (10), p.1075-1081
Hauptverfasser: Kol’tsov, V. B., Berezina, N. V., Mikhailova, M. S., Slesarev, S. A., Efimov, S. V., Kir’yanova, A. D., Chudakova, M. A.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Crystallization
Gallium
Industrial Chemistry/Chemical Engineering
Industrial wastes
Inorganic Chemistry
Materials Science
Melting points
Purification
Purity
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Beschreibung
Zusammenfassung:— This paper examines key features of the preparation of high-purity Ga from electronic and electrical engineering industry waste. The decrease in the melting point of impurity-containing Ga is assessed thermodynamically in the ideal solution approximation. It is proposed that the purity of gallium in the final crystallization purification step can be monitored via precision measurement of the temperature of the melt with a pyrometer.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168522100090