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Curie (unit)
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The curie is a non-SI unit of radioactivity originally defined in 1910. According to a notice in Nature at the time, it was to be named in honour of Pierre Curie, but was considered at least by some t
A sample of radium, the element which was used in the original definition of the curie.
A sample of radium, the element which was used in the original definition of the curie.
Sample of cobalt-60 that emits 1 μCi (microcurie) of radioactivity; i.e. 37,000 decays per second.
Sample of cobalt-60 that emits 1 μCi (microcurie) of radioactivity; i.e. 37,000 decays per second.
Becquerel
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The becquerel is the unit of radioactivity in the International System of Units. One becquerel is defined as an activity of one per second, on average, for aperiodic activity events referred to a radi
Curie (unit)
…measurements of the activity of 226Ra (which has a specific activity of 3.66×1010 Bq/g). In 1975 the General Conference on Weights and Measures gave the becquerel (Bq), defined as one nuclear decay per second, official status as the SI unit of activity. Therefore: and…
Radium-226 radiation source. Activity 3300 Bq (3.3 kBq)
Radium-226 radiation source. Activity 3300 Bq (3.3 kBq)