Curium Alpha

Substance: fo-d5dfed1aa625eba7 Atom grouping class
Origin qualifier: alpha_emitters
Source: EF 3.1
Unit: kBq
Context: Environmental → Water → Surface water
CAS: 7440-51-9
EC: —
Dimension: Environmental
Media: Water
Water body: Surface water
List	Version	Source flow	Name there	Why this flow
EF	3.1	f2c32777-28d6-421b-b669-27783a63cf84	Curium alpha	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
The change log and the PROV-O trail (1 consensus changes)
Open the changes page
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Flow JSON
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          "mass_number": 231,
          "half_life_and_uncertainty": "20 s [Estimated]",
          "decay_modes": "β+ ?; α ?",
          "relative_abundance": null,
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          "nuclide": "232Cm",
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          "decay_modes": "β+ ?; α ?",
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          "nuclide": "233Cm",
          "mass_number": 233,
          "half_life_and_uncertainty": "27 s ± 10",
          "decay_modes": "α=20±1%; β+=80±1%",
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          "nuclide": "234Cm",
          "mass_number": 234,
          "half_life_and_uncertainty": "52 s ± 9",
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        {
          "nuclide": "235Cm",
          "mass_number": 235,
          "half_life_and_uncertainty": "7 m ± 3",
          "decay_modes": "β+ ?; α=4±0.3%",
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        {
          "nuclide": "236Cm",
          "mass_number": 236,
          "half_life_and_uncertainty": "6.8 m ± 0.8",
          "decay_modes": "β+=82±0.2%; α=18±0.2%; SF ?",
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        {
          "nuclide": "237Cm",
          "mass_number": 237,
          "half_life_and_uncertainty": ">10 m [Estimated]",
          "decay_modes": "β+ ?; α=?",
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          "nuclide": "237Cmp",
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          "half_life_and_uncertainty": "2.2 h ± 0.4",
          "decay_modes": "ε ?; α=3.84±1.8%; SF=0.048±0.2%",
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        {
          "nuclide": "239Cm",
          "mass_number": 239,
          "half_life_and_uncertainty": "2.5 h ± 0.4",
          "decay_modes": "β+≈100%; α=6.2e-3±1.4%",
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        {
          "nuclide": "239Cmp",
          "mass_number": 239,
          "half_life_and_uncertainty": ">100 ns [Estimated]",
          "decay_modes": "IT ?; β+ ?",
          "relative_abundance": null,
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        {
          "nuclide": "240Cm",
          "mass_number": 240,
          "half_life_and_uncertainty": "30.4 d ± 3.7",
          "decay_modes": "α≈100%; ε ?; SF=3.9e-6±0.8%",
          "relative_abundance": null,
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        {
          "nuclide": "241Cm",
          "mass_number": 241,
          "half_life_and_uncertainty": "32.8 d ± 0.2",
          "decay_modes": "ε=99.0±0.1%; α=1.0±0.1%",
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        {
          "nuclide": "242Cm",
          "mass_number": 242,
          "half_life_and_uncertainty": "162.8 d ± 0.2",
          "decay_modes": "α=100%; SF=6.2e-6±0.3%; 34Si=1.1e-14±0.4%; 2β+ ?",
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          "mass_number": 242,
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          "half_life_and_uncertainty": "29.1 y ± 0.1",
          "decay_modes": "α≈100%; ε=0.29±0.3%; SF=5.3e-9±0.9%",
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          "nuclide": "244Cm",
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          "mass_number": 244,
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          "mass_number": 245,
          "half_life_and_uncertainty": "8.25 ky ± 0.07",
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          "nuclide": "246Cm",
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          "half_life_and_uncertainty": "4.706 ky ± 0.040",
          "decay_modes": "α=99.97385±0.7%; SF=0.02615±0.7%",
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          "half_life_and_uncertainty": "1.12 s ± 0.24",
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          "half_life_and_uncertainty": "15.6 My ± 0.5",
          "decay_modes": "α=100%",
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        {
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          "nuclide": "247Cmn",
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          "nuclide": "250Cm",
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          "decay_modes": "SF≈74%; α ?; β- ?",
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          "nuclide": "251Cm",
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          "decay_modes": "β- ?; α ?",
          "relative_abundance": null,
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Curium Alpha

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