Difference between revisions of "Uranium series"
Physchim62 (talk | contribs) (Created page with "{| class="wikitable" style="text-align:center; float:right; margin:0 0 0 0.5em;" |- | colspan=2 | Uranium-238<br/>(α, 4.468{{e|9}} a) |- | colspan=2 | Thorium-234<br/>(...") |
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{| class="wikitable" style="text-align:center; float:right; margin:0 0 0 0.5em;" | {| class="wikitable" style="text-align:center; float:right; margin:0 0 0 0.5em;" | ||
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Uranium-238]]<br/>(α, 4.468{{e|9}} a) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Thorium-234]]<br/>(β<sup>−</sup>, 24.10 d) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Protactinium-234m]]<br/>(1.16 min) |
|- | |- | ||
| − | | rowspan=2 valign=top | β<sup>−</sup>, 99.84% || IT, 0.16% | + | | rowspan=2 valign=top | β<sup>−</sup>, 99.84% || colspan=2 | IT, 0.16% |
|- | |- | ||
| − | | [[Protactinium-234]]<br/>(β<sup>−</sup>, 6.70 h) | + | | colspan=2 | [[Protactinium-234]]<br/>(β<sup>−</sup>, 6.70 h) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Uranium-234]]<br/>(α, 2.455{{e|5}} a) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Thorium-230]]<br/>(α, 7.538{{e|4}} a) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Radium-226]]<br/>(α, 1602 a) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Radon-222]]<br/>(α, 3.8235 d) |
|- | |- | ||
| − | | colspan= | + | | colspan=3 | [[Polonium-218]]<br/>(α, 3.10 min) |
|- | |- | ||
| − | | α, 99.98% || β<sup>−</sup>, 0.02% | + | | α, 99.98% || colspan=2 | β<sup>−</sup>, 0.02% |
|- | |- | ||
| − | | [[Lead-214]]<br/>(β<sup>−</sup>, 26.8 min) || [[Astatine-218]]<br/>(1.5 s) | + | | rowspan=2 | [[Lead-214]]<br/>(β<sup>−</sup>, 26.8 min) || colspan=2 | [[Astatine-218]]<br/>(1.5 s) |
|- | |- | ||
| − | | [[Bismuth-214]]<br/>(19.9 min) || | + | | α, 99.90% || β<sup>−</sup>, 0.10% |
| + | |- | ||
| + | | colspan=2 | [[Bismuth-214]]<br/>(19.9 min) || [[Radon-218]]<br/>(α, 35 ms) | ||
|- | |- | ||
|} | |} | ||
Revision as of 12:16, 18 April 2011
| Uranium-238 (α, 4.468 × 109 a) | ||
| Thorium-234 (β−, 24.10 d) | ||
| Protactinium-234m (1.16 min) | ||
| β−, 99.84% | IT, 0.16% | |
| Protactinium-234 (β−, 6.70 h) | ||
| Uranium-234 (α, 2.455 × 105 a) | ||
| Thorium-230 (α, 7.538 × 104 a) | ||
| Radium-226 (α, 1602 a) | ||
| Radon-222 (α, 3.8235 d) | ||
| Polonium-218 (α, 3.10 min) | ||
| α, 99.98% | β−, 0.02% | |
| Lead-214 (β−, 26.8 min) |
Astatine-218 (1.5 s) | |
| α, 99.90% | β−, 0.10% | |
| Bismuth-214 (19.9 min) |
Radon-218 (α, 35 ms) | |
The uranium series, also known as the radium series, is a decay chain starting with the naturally-occuring uranium-238 and ending in the stable lead-206.
References
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