Metallic foil coated with scandium tritide for use as a beta par

Details Metallic foil coated with scandium tritide for use as a beta par Metallic foil coated with scandium tritide for use as a beta par

1973-09-10

1976-12-14

Schafer, Richard E.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

73 231, 751225, 148 203, 423249, C21D 176

Patent

active

039974669

ABSTRACT:
A metallic foil coated with scandium tritide is treated so as to manifest a legally acceptable tritium emanation rate at temperatures above 225.degree. C, thereby becoming usable as a beta particle emitter is ionization detectors such as electron capture detectors or the like operated at high temperatures. The treatment includes heating the foil for a length of time sufficient to cause the foil's tritium emanation ratio to reach a value which corresponds to a legally acceptable emanation ratio for the foil at selected operating temperatures above 225.degree. C.

REFERENCES:
patent: 3185845 (1965-05-01), Lively et al.
patent: 3601609 (1971-08-01), Yauger
patent: 3716491 (1973-02-01), Yannopoulos
Kahn, L. et al. The Emanation of Tritium from Two Electron-Capture Detectors. In J. of Gas Chrom. Aug., 1965, pp. 287-288.
Shoemake, G. R. et al, The Effect of Temperature and Carrier Gas on the Loss Rate of Tritium from Radioactive Foils, In J. of Chrom. vol. 12 pp. 314-320 (1963).

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