Measurement of Tritium Activity in Soils

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Tritium a radionuclide can accumulate in soils as a result of releases by the nuclear power industry. Currently there are no suitable methods to measure tritium levels in soils. A relatively simple extraction method is reported. The procedure involves an extraction of soil-borne tritium with NaOH and potassium permanganate solutions followed by standard scintillation counting procedures. The method detected tritium levels in soils that averaged 0.0099 Bq g−1 soil. Soil samples spiked with tritium were very reproducible with a coefficient of variability of 5%.

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