Five modern<unk> s The first<unk> , unshielded, 1958. A Tc-99m pertechnetate solution is being eluted from Mo-99 molybdate bound to a chromatographic substrate A<unk> , or colloquially a<unk>  cow or moly cow, is a device used to extract the metastable isotope<unk> Tc of<unk>  from a decaying sample of molybdenum-99.<unk> o has a half-life of 66 hours and can be easily transported over long distances to hospitals where its decay product<unk> -99m (with a half-life of only 6 hours, inconvenient for transport) is extracted and used for a variety of nuclear medicine diagnostic procedures, where its short half-life is very useful.
Technetium-99m generator
Gallium-68 generator
Radioactive tracer
X-ray marker
Radiochemistry
French catheter scale
ReSPECT process
Nuclear medicine