Talk:Isotopes of platinum
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Column
[edit]There is a column on the right entitled "Range of natural variation" with no items in it. This is idiotic. — Preceding unsigned comment added by 92.26.7.176 (talk) 13:06, 18 February 2013 (UTC)
- In the article Isotopes of copper, some numbers do appear in the column on the right, for the two stable isotopes of copper. — Preceding unsigned comment added by 92.27.109.117 (talk) 11:32, 19 February 2013 (UTC)
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The only beta-stable nuclide of odd mass number with N/Z = 1.5
[edit]195Pt is the only beta-stable nuclide with odd mass number such that N:Z = 3:2. 5n2nX is beta-stable for n = 1, 26, even numbers from 30 to 46 and 39 (not primordial for n = 1 or even numbers from 42 to 46). Cristiano Toàn (talk) 08:32, 28 February 2024 (UTC)For even n from 36 to 40 these nuclides are also double bete-stable
- Also for 42 and 44 :) 129.104.241.242 (talk) 02:38, 5 May 2024 (UTC)
Bound-state β− decay of 195Pt: reference required?
[edit]Could anyone please give some reference of the bound-state β− decay of 195Pt to 195Au, of which, unlike in the cases of 163Dy and 205Tl, I can't find any? 129.104.241.214 (talk) 23:59, 9 October 2023 (UTC)
- Removed. –LaundryPizza03 (dc̄) 14:12, 23 December 2023 (UTC)
Half-life of 190Pt in dispute
[edit][1] proposes a half-life of 4.97(16)×1011 years, 4.49(5)×1011 years in [2], 3.9(3)×1011 years in [3] and 3.7(3)×1011 years years in [4]. Note that a precise determination of half-life of 190Pt is essential in radioisotopic age determination of some ores and meteorites. 129.104.241.214 (talk) 13:01, 23 December 2023 (UTC)
- NUBASE2020 lists a half-life of 483(3) Gy, so we will go with that one. –LaundryPizza03 (dc̄) 13:16, 23 December 2023 (UTC)
- "The Pt–Os system has seen only limited application as the radioactive contributions to 186Os are, at best, very small. For the full utility of this system to be realized, better isotope ratio precisions than currently possible are needed." See page 167 of this book. 14.52.231.91 (talk) 06:49, 27 August 2024 (UTC)
- NUBASE2020 is the most recent source, so I am still sticking with it. –LaundryPizza03 (dc̄) 02:17, 28 August 2024 (UTC)