Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Patent
1983-08-12
1986-03-25
Smith, Alfred E.
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
250328, 422102, G01N 2111, G01N 2103
Patent
active
045785880
ABSTRACT:
A volume reducer for liquid scintillation counting is adapted to be used with an outer scintillation-counting vial and includes an elongate member adapted to be inserted into the vial. The elongate member has a bottom surface and a peripheral side surface and the side surface is spaced inwardly from an inner side surface of the vial to define an annular chamber in which the scintillation fluid is adapted to be retained. In certain embodiments the annular chamber is varied to either isolate certain segments thereof from each other or provide segments having differing volumes. The combination of the reducer and vial, as well as methods for preparing a scintillation fluid for testing also constitute parts of the instant invention.
REFERENCES:
patent: 2587221 (1952-02-01), Richardson et al.
patent: 3027799 (1962-04-01), Weichselbaum
patent: 3464798 (1969-09-01), Kilthau
patent: 4140489 (1979-02-01), Lee
patent: 4427634 (1984-01-01), Truglio
patent: 4495151 (1985-01-01), Ohyama et al.
Horace E. Dobbs, "Measurement of Liquid Scintillation Counting Efficiencies", Nature, vol. 200, No. 4913, (Dec. 28, 1963), pp. 1283-1284.
Hannaher Constantine
Smith Alfred E.
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