Preparation of high purity elements

Metallurgical apparatus – With control means responsive to sensed condition – With temperature sensor

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266148, C21D 1100

Patent

active

055138349

ABSTRACT:
Described is in situ refining high purity elements in Groups IIA and VIB of the Periodic Table in a hermetically sealed apparatus by distilling, condensing and zone refining material within the apparatus.

REFERENCES:
patent: 3833342 (1974-09-01), Holliday et al.
patent: 3909246 (1975-09-01), Cole et al.
patent: 4038375 (1977-07-01), Vorachek et al.
patent: 4298380 (1981-11-01), Bochkarev et al.
patent: 4581218 (1986-04-01), Nicolau
patent: 4584054 (1986-04-01), Holland
patent: 4690725 (1987-09-01), Bult et al.
patent: 4720373 (1988-01-01), Holland
patent: 4888051 (1989-12-01), Bollong et al.
patent: 5258055 (1993-11-01), Pargeter et al.
L. R. Holland, "Combined Distillation and Normal Freezing to Purify Elements of Groups II and VI," Journal of Crystal Growth 70 (Dec. 1984), pp. 280-286 , North-Holland, Amsterdam.
A. B. Bollong et al., "The Ultrapurification of Tellurium," Journal of the Minerals, Metals & Materials Society, vol. 41, No. 7 (Jul. 1989, pp. 39-41.
L. Rowinska et al. "Efficiency of Metal Purification by Vacuum Distillation Technique," Nukleonika 31 (Dec. 1986), pp. 151-160.
D. S. Mungekar et al., "Preparation of High Purity Tellurium," Indian Journal of Technology 11 (Jan. 1973), pp. 13-16.
V. N. Vigdorovich et al., "High-Purity Tellurium Production by Modified Recrystallization," Tsvetnye Metally/Non-Ferrous Metal (UDC 669.77:621.315.592:546.24).
B. D. Wedlock, "Purification of Tellurium by Distillation," Journal of the Electrochemical Society 109 (Apr. 1962), pp. 318-321.
B. N. Aleksandrov, "The Zone Refining of Zinc and Cadmium," source unknown.
R. F. Redden et al., "The Purification of Cd and Te by Zone Refining," Cominco Electronic Materials, Trail, British Columbia, Canada V1R 4L8.
P. E. Skinner, "The Recovery and Production of Tellurium and Some of its Salts," Johnson Matthey Chemicals Ltd., Royston, Hertfordshire, England.

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