Tritium radioactivity measuring system

Details Tritium radioactivity measuring system Tritium radioactivity measuring system

1986-09-05

1988-07-05

Richman, Barry S.

Chemistry: analytical and immunological testing

Including use of radioactive properties

G01T 116

Patent

active

047554711

ABSTRACT:
A continuous tritium radioactivity measuring system is disclosed, in which a sample gas containing tritium is mixed with hydrogen gas, water vapor and lower hydrocarbon gases with the assistance of a catalyst for causing an isotope exchange reaction between the tritium contained in the sample gas and hydrogen. The resultant tritium gas and lower hydrocarbons containing tritium are removed from the remaining hydrogen water, and radioactivity detection is performed thereon.

REFERENCES:
patent: 3506402 (1970-04-01), Simon
patent: 3623840 (1971-11-01), Benson
patent: 3945797 (1976-03-01), Mlinko et al.
Gacs et al.; Automatic Isotope Gas Analysis of Tritium Labelled Organic Materials; J. of Radioanalytical Chem. 45, 1978, pp. 435-444.
Radioassay by Gas Chromatography of Tritium and Carbon-14, Labeled Compounds, Wolfgang et al., Analytical Chemistry, vol. 30, pp. 903-906, 1958.
Low Level Measurement of Tritium by Hydrogenation of Propadiene and Gas Counting of Propane, Wolf et al., Intl. J. Appl. Radiation and Isot., vol. 32, pp. 919-928, 1981.
Chemical Abstract 89:170696m, 1978, Gacs et al.
Chemical Abstract 74:133817w, 1971, Povinec et al.

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