ANALYTICAL METHOD FOR THE DETERMINATION OF RUTHENIUM-103, RUTHENIUM-106, CAESIUM-137, ZIRCONIUM/NIOBIUM-95 AND CERIUM-144 IN SHORE SAND AND SEA SILT SAMPLES
Technical Report
·
OSTI ID:4816747
Ru/sup 103/, Ru/Rh/sup 106/, Cs/sup 137/, Zr/Nb/sup 95/, and Ce/sup 144/ in s amples of shore sand and sea silt are estimated by a gamma -spectrometric method. The presence of two other gamma -emitting isotopes, K/sulp 40/ and I/ sup 131/, is normally assumed and they can also be determined. Ce/sukp 144/ is also present, but does not affect the method since the 0.14 Mev photopeak is not used to detect Ce . The contribution of each radionuclide to the gamma -ray spectrum is determined by means of simultaneous equations derived from data obtained by scanning the pure radioisotopes under the same conditions of geometry and over the same energy range. (auth)
- Research Organization:
- United Kingdom Atomic Energy Authority. Production Group, Windscale, Sellafield, England
- NSA Number:
- NSA-16-020323
- OSTI ID:
- 4816747
- Report Number(s):
- PG-Report-312
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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