sodium 24

so·di·um 24 (24Na),

The isotope of sodium with an atomic weight of 24, and a half-life of 14.96 hr; it emits beta and gamma rays, and is more easily prepared than the longer-lived, positron-emitting 22Na (half-life, 2.605 year). It is used to measure extracellular fluid by indicator dilution.
Farlex Partner Medical Dictionary © Farlex 2012
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