Definition of Gallium

Reviewed on 6/3/2021

Gallium: A rare metal with the atomic weight 69. There are several isotopic forms of gallium that differ from it in atomic weight. One is gallium-68, which is produced by cyclotrons and emits gamma rays. The citrate form of gallium-68 is used as a radiotracer to locate sites of inflammation and tumor tissue within the body.


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