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Chromium-51 is a synthetic radioactive isotope of chromium having a half-life of 27.7 days and decaying by electron capture with emission of gamma rays (0.32 MeV); it is used to label red blood cells for measurement of mass or volume, survival time, and sequestration studies, for the diagnosis of gastrointestinal bleeding, and to label platelets to study their survival.
Pages in category "Isotopes of chromium" The following 33 pages are in this category, out of 33 total. ... Chromium-63; Chromium-64; Chromium-65; Chromium-66 ...
Naturally occurring chromium is composed of four stable isotopes; 50 Cr, 52 Cr, 53 Cr and 54 Cr, with 52 Cr being the most abundant (83.789% natural abundance). 50 Cr is observationally stable , as it is theoretically capable of decaying to 50 Ti via double electron capture with a half-life of no less than 1.3 × 10 18 years.
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
The isotope tables given below show all of the known ... 63 Cr 64 Mn. 65 Fe. 66 Co 67 Ni. 68 Cu 40 ... An example of free Universal Nuclide Chart with decay ...
Main isotopes of chromium; Main isotopes [1] Decay; abundance half-life (t 1/2) mode ... For example, {{Infobox uranium isotopes}}, as used on page Isotopes of uranium.
These isotope tables show all of the known isotopes ... 63 Cr 64 Mn. 65 Fe. 66 Co 67 Ni. 68 Cu 40 ... An example of free Universal Nuclide Chart with decay ...
The standard atomic weight of a chemical element (symbol A r °(E) for element "E") is the weighted arithmetic mean of the relative isotopic masses of all isotopes of that element weighted by each isotope's abundance on Earth. For example, isotope 63 Cu (A r = 62.929) constitutes 69% of the copper on Earth, the rest being 65 Cu (A r = 64.927), so