Electroded photochemical lamps for photochemical mercury separat

Details Electroded photochemical lamps for photochemical mercury separat Electroded photochemical lamps for photochemical mercury separat

1988-12-19

1990-10-16

Wieder, Kenneth

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313565, 313639, 203 5, 2041572, H01J 6120, H01J 6134, B01D 500, B01D 5938

Patent

active

049637835

ABSTRACT:
An apparatus and method for the photochemical isolation and separation of specific mercury isotopes from mixtures of mercury isotopes is disclosed. The system employs an electroded mercury photochemical lamp having a uniform, controlled output. The lamp is controlled by the use of a fluid heat transfer medium to control the partial pressure of mercury vapor within the lamp. This allows a means for controlling both the bandwidth and intensity of the lamp output.

REFERENCES:
patent: 3665235 (1972-05-01), Hugot
patent: 4145634 (1979-03-01), Evans et al.
patent: 4746382 (1988-05-01), Grossman et al.
J. Maya et al., Science, 226:435-436 (10/1984).
C. R. Webster and R. N. Zare, J. Phys. Chem., 85:1302-1305 (12/1985).
J. Waymouth, Electric Discharge, MIT Press, pp. 13-20 (12/171).

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