Radiant energy – Automatic/serial detection of similar sources
Patent
1985-09-13
1988-05-03
Fields, Carolyn E.
Radiant energy
Automatic/serial detection of similar sources
250362, 250364, G01T 1204
Patent
active
047422262
ABSTRACT:
Apparatus and a method useful for identifying and verifying which radionuclide is present in a test sample for use in a liquid scintillation counter is disclosed. The invention is directed to measuring a quench-indicating parameter of the sample and an external source quench-indicating parameter. The measured values are compared to known radionuclide equations to determine if an identifying fit exists. If the measured values are determined to satisfy, one of the known radionuclide equations, then the identity of a radionuclide is established. In a multilabel sample the measured values may be used to identify the radionuclide having the highest end point maximum energy.
REFERENCES:
patent: 3780289 (1973-12-01), Kluberg et al.
patent: 4628205 (1986-12-01), Van Cauter et al.
McQuarrie et al., "Some Performance Characteristics of Modern Liquid Scintillation Counters", International Journal of Applied Radiation and Isotopes, vol. 34, No. 7, (Jul. 1983), pp. 1009-1012.
Grower et al., "Handling Liquid Scintillation Counting Data with Small Desk-Top Computers", Analytical Biochemistry, vol. 31 (1969), pp. 159-173.
Dugan et al., "Beta Emitter Identification by Quench Analysis", Organic Scintillators and Liquid Scintillation Counting (1971), pp. 1055-1062.
Everett, et al., "The Application of Spectral Analysis in Liquid Scintillation Counting", Liquid Scintillation Counting Recent Applications and Development (1980), vol. 1, pp. 119-128.
Fields Carolyn E.
Packard Instrument Company Inc.
Rudisill Stephen G.
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