March 30, 2001

Accumulation of radionuclides by the shells of dead bivalves

Key Points

The shells of dead bivalves accumulate significant amounts of radionuclides from water, especially 90Sr.
Accumulation intensity is related to the specific surface area of the shells.
The adsorption processes on the nacreous layer of the shells likely contribute to this accumulation.
Understanding this phenomenon may assist in assessing environmental radiation uptake in marine ecosystems.

Abstract

During the field experiments it was established, that the shells of dead bivalves can additionally accumulate 137Cs and 90Sr from water. It was also established that 90Sr is basically accumulated. Radionuclides' accumulation intensity by shells is related to specific shells surface area. It is expected, that this phenomenon is related to the adsorption processes of given radionuclides on the shells nacreous layer interior surface.

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Cite This Study

Lukashov et al. (Fri,) studied this question.

synapsesocial.com/papers/68af66dfad7bf08b1eae5fc6 https://doi.org/https://doi.org/10.15407/jnpae2001.01.171

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