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Technetium

"Technetium" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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The first artificially produced element and a radioactive fission product of URANIUM. Technetium has the atomic symbol Tc, and atomic number 43. All technetium isotopes are radioactive. Technetium 99m (m=metastable) which is the decay product of Molybdenum 99, has a half-life of about 6 hours and is used diagnostically as a radioactive imaging agent. Technetium 99 which is a decay product of technetium 99m, has a half-life of 210,000 years.


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This graph shows the total number of publications written about "Technetium" by people in this website by year, and whether "Technetium" was a major or minor topic of these publications.
Bar chart showing 21 publications over 15 distinct years, with a maximum of 4 publications in 2013
To see the data from this visualization as text, click here.

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