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Technetium-99m
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Technetium-99m is a metastable nuclear isomer of technetium-99, symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medica
The first technetium-99m generator, 1958. A 99mTc pertechnetate solution is being eluted from 99Mo molybdate bound to a chromatographic substrate
The first technetium-99m generator, 1958. A 99mTc pertechnetate solution is being eluted from 99Mo molybdate bound to a chromatographic substrate
A technetium injection contained in a shielded syringe
A technetium injection contained in a shielded syringe
Technetium scintigraphy of a neck of a Graves' disease patient
Technetium scintigraphy of a neck of a Graves' disease patient
Technetium
Videos
Technetium is a chemical element; it has symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive. Technetium is one of only two radioactive elements both preceded
Technetium-99m
…Technetium-99m (99mTc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope…
Technetium-99 electroplated onto a strip of gold foil
Technetium-99 electroplated onto a strip of gold foil
Periodisches System der Elemente (Periodic system of the elements) (1904–1945, now at the Gdańsk University of Technology): lack of elements: polonium
Periodisches System der Elemente (Periodic system of the elements) (1904–1945, now at the Gdańsk University of Technology): lack of elements: polonium 84Po (though discovered as early as in 1898 by Maria Sklodowska-Curie), astatine 85At (1940, in Berkeley), francium 87Fr (1939, in France), neptunium 93Np (1940, in Berkeley) and other actinides and lanthanides. Uses old symbols for: argon 18Ar (here: A), technetium 43Tc (Ma, masurium), xenon 54Xe (X),
Chloro-containing coordination complexes of technetium (99Tc) in various oxidation states: Tc(III), Tc(IV), Tc(V), and Tc(VI) represented.
Chloro-containing coordination complexes of technetium (99Tc) in various oxidation states: Tc(III), Tc(IV), Tc(V), and Tc(VI) represented.