Abstract
A new simple routine method has been developed to rapidly determine technetium-99 (99Tc) in environmental waters using rhenium (Re) as a recovery tracer. A small water sample (40 mL) was first filtered. The potential interferents were then removed by a calcium phosphate co-precipitation followed by a TRU resin purification. 99Tc was measured by liquid scintillation counting and Re by UV–visible. The detection limit obtained (5 ± 2 Bq kg−1) is sufficiently low to determine if the water is safe for consumption.
Published Version
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