Abstract
An automated, highly reproducible fast-transfer system (0.36±0.01 sec) has been developed, an oscillator/multichannel-scaling system has been developed to follow rapidly-changing spectrometer dead-times, the mathematics has been developed, and the data processing steps have been computerized. Three induced activities have been studied in some detail:207mPb (0.80 sec),38mCl (0.70 sec) and20F (11.03 sec). Both steady-state and high-intensity pulsed reactor irradiations, with and without a Cd liner, have been used. The dead-time correction method has been carefully checked, and the overall method has been tested by the analysis of two NBS Standard Reference Materials: orchard leaves (for Cl and Pb) and bovine liver (for Cl).
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This paper represents a portion of the Ph. D. thesis of D. A. MILLER.
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Miller, D.A., Guinn, V.P. Precision high-speed neutron activation analysis via very short-lived activities. J. Radioanal. Chem. 32, 179–188 (1976). https://doi.org/10.1007/BF02517750
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DOI: https://doi.org/10.1007/BF02517750