radioactive calcium

radioactive calcium

Any of the radionuclides of calcium, the most common of which are the beta-emitting 45Ca, which has a half-life of 163 days, and the beta and gamma-emitting 47Ca, which has a half-life of 4.5 days and has some currency as a tracer for calcium metabolism studies.
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References in periodicals archive ?
The intestinal absorption and excretion of radioactive calcium and phosphorus.
While radioactive and non radioactive calcium isotopes were employed to study the active transport and passive transport of calcium, transport of labelled mannitol was taken as a measure of passive permeability.
In the rush to develop "peaceful uses of the atom" in the years following testing of the H-bomb, much interesting work was done with radioactive calcium isotopes ([sup.45]Ca and [sup.47]Ca).