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Production of radioactive tracers at Amersham Int.

Production of radioactive tracers at Amersham Int.

T175/0013

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Credit

DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY

Caption

Preparation of technetium-99m (Tc-99m) isotope generators, used as sources of radioactive tracers for gamma ray scintigraphy in hospital nuclear medicine departments. Here at Amersham International, radioactive molybdenum-99 (a fission product of a nuclear reactor) is dispensed by remote control into the columns of the generators inside a "shielded facility". The glass windows contain a lead compound, which accounts for their yellow-green colour. Tc-99m is short- lived (its radioactive decay rate, or half-life, is 6 hours), so a generator fuelled by its longer-lived parent isotope, molybdenum-99, is utilised as a continuous, short-term source.

Release details

Model release not available. Property release not required.

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