Iodide cell vapor pressure control

Details Iodide cell vapor pressure control Iodide cell vapor pressure control

1981-05-27

1983-01-11

Marantz, Sidney

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

422 83, 436148, C22B 3414, G01N 700

Patent

active

043680720

ABSTRACT:
A method of controlling the vapor pressure inside of an iodide decomposition vessel or apparatus for an iodide decomposition process by directly measuring the pressure inside the cell and adjusting the temperature of the lid of the cell. Zirconium and hafnium may be purified by the method.

REFERENCES:
patent: 3966458 (1976-06-01), Spink
patent: 3966460 (1976-06-01), Spink
patent: 4072506 (1978-02-01), Megy
patent: 4239531 (1980-12-01), Siddall
"The Metallurgy of Zirconium", B. Lustman et al., eds., First Edition, pp. 140, 145, 150, 153, McGraw Hill, New York, 1955.

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