Talk:Isotopes of rhenium
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Half-life of OO75Rh180 Rhenium
The half-life of OO75Rh180 is low in comparison to the stability trend line through its immediate OO neighbors, with OO75Rh182 being 17.7 hours, OO75Rh180 reported as 2.45 minutes, and OO75Rh178 as 13.2 minutes, which distorts the OO stability trend line profile for this element.WFPM (talk) 00:36, 22 April 2013 (UTC)
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Possible alpha decay of 185Re
According to [1], 185Re should have an alpha decay half-life at the order of 1024 years. Adding one more proton would reduce alpha stability by nine orders of magnitude. 129.104.241.214 (talk) 20:22, 5 January 2024 (UTC)
- Considering that this is the same order as 128Te, perhaps rhenium has a good chance to be the next primordial radioactive element that all the pedants will mention after bismuth. (Not sure how long it would take to find that out, though.) Double sharp (talk) 09:22, 9 January 2024 (UTC)
- Well I have made a calculation error: the geometric mean of the three values in the table should actually be at the order of 1025 years. 129.104.65.7 (talk) 15:36, 1 February 2024 (UTC)
128Te is a special case, not from direct measurement but geochronology. I believe from measurement by mass spectrometry of excess (stable) Xe-128 (to which Te-128 it has decayed by double beta decay) in rocks containing Te-128. It's a sort of Te/Xe dating, but using the date of the rock found by other means to inversely measure the half life of the Te-128 in it. It half-life still dispute some source list at 2.2x1024 years but some list at 7.7x1024 yearsCristiano Toàn (talk) 01:52, 29 January 2024 (UTC)
- Cristiano Toàn (talk) 10:47, 23 January 2024 (UTC) might be measured by geochemistry method as Rhenium is siderophile element while tantalum is Litriophile element
Possible alpha decay of 183Re
183Re has slightly lower alpha-decay energy than 185Re (2.12 MeV vs 2.19 MeV), so its alpha-decay half-life should be at the order of 1025 years. 129.104.241.214 (talk) 21:57, 27 January 2024 (UTC)