Data analyzing system having provision for optimizing counting c

Details Data analyzing system having provision for optimizing counting c Data analyzing system having provision for optimizing counting c

1967-09-28

1977-01-11

Borchelt, Archie R.

Radiant energy

Automatic/serial detection of similar sources

250369, G01T 708

Patent

active

040029093

ABSTRACT:
A data analyzing system for scintillation spectrometers of the type for measuring activity levels of samples containing radioactive isotopes and subjected to varying degrees of quench, including methods and apparatus for optimizing counting conditions and thereby improving statistical counting validity irrespective of the degree of quenching present in any given sample, and wherein a measured parameter indicative of the effective quench condition of each sample is utilized to automatically adjust, by preselected preset amounts, the counting window for any given isotope relative to the observed energy spectrum for that isotope. Various methods and apparatus are described which, although suitable for optimizing counting conditions for both multiple-labeled and single-labeled test samples, are particularly effective in creating significantly improved isotope separations when dealing with multiple-labeled samples -- for example, a double-labeled sample containing tritium (.sup.3 H) and carbon-14 (.sup.14 C).

REFERENCES:
patent: 3114835 (1963-12-01), Packard
patent: 3270205 (1966-08-01), Ladd et al.
patent: 3381130 (1968-04-01), Nather
patent: 3428804 (1969-02-01), Comunnetti

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