Extremely sensitive metallic vapor detection

Details Extremely sensitive metallic vapor detection Extremely sensitive metallic vapor detection

1975-07-02

1978-05-23

Willis, Davis L.

Radiant energy

Radiation tracer methods

Radioactive tracer methods

250304, 250380, G01T 1161

Patent

active

040912833

ABSTRACT:
An extremely sensitive metallic vapor detection method primarily for use in a sodium cooled nuclear reactor containment. Sodium vapor, or a compound derived from it, is allowed to react with a radioactively tagged substance so as to produce a radioactive gas. The released gas is monitored by a nuclear counter, which provides a direct indication of the presence of metallic vapor. The method is sensitive to the presence of metallic vapor in a gaseous environment in the range of 10.sup.-16 grams per cubic centimeter.

REFERENCES:
patent: 3372274 (1968-03-01), Landolt
patent: 3590247 (1971-06-01), Holford
patent: 3655982 (1972-04-01), Gelezunas
patent: 3725009 (1973-04-01), Lovelock

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