Plutonium-alpha

Property	Value
Isotope lookup isotope_lookup	{"is_kbq_candidate":true,"matched":false,"matched_on":"","claimed_nuclide":"","resolved_nuclide":"","state_resolution":{},"reason":"label_is_not_a_nuclide_name","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading"]}
Isotope mix candidates isotope_mix_candidates	{"element":"Plutonium","source":"pubchem_element_isotope_lists","candidates":[{"nuclide":"221Pu","mass_number":221,"half_life_and_uncertainty":"100 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"222Pu","mass_number":222,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"223Pu","mass_number":223,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"224Pu","mass_number":224,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"225Pu","mass_number":225,"half_life_and_uncertainty":"100 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"226Pu","mass_number":226,"half_life_and_uncertainty":"10 ms [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"227Pu","mass_number":227,"half_life_and_uncertainty":"2 s [Estimated]","decay_modes":"α ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"228Pu","mass_number":228,"half_life_and_uncertainty":"2.1 s ± 1.3","decay_modes":"α≈100%; β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"229Pu","mass_number":229,"half_life_and_uncertainty":"91 s ± 26","decay_modes":"α≈50±2%; β+≈50±2%; SF<7%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"230Pu","mass_number":230,"half_life_and_uncertainty":"105 s ± 10","decay_modes":"α≈100%; β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"231Pu","mass_number":231,"half_life_and_uncertainty":"8.6 m ± 0.5","decay_modes":"β+ ?; α=13±0.5%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"232Pu","mass_number":232,"half_life_and_uncertainty":"33.7 m ± 0.5","decay_modes":"ε=?; α<20%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"233Pu","mass_number":233,"half_life_and_uncertainty":"20.9 m ± 0.4","decay_modes":"β+≈100%; α=0.12±0.5%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"234Pu","mass_number":234,"half_life_and_uncertainty":"8.8 h ± 0.1","decay_modes":"ε≈94%; α≈6%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"235Pu","mass_number":235,"half_life_and_uncertainty":"25.3 m ± 0.5","decay_modes":"β+=99.9972±0.7%; α=0.0028±0.7%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"236Pu","mass_number":236,"half_life_and_uncertainty":"2.858 y ± 0.008","decay_modes":"α=100%; SF=1.9e-7±0.4%; 28Mg=2e-12%; 2β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"236Pum","mass_number":236,"half_life_and_uncertainty":"1.2 us ± 0.3","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pu","mass_number":237,"half_life_and_uncertainty":"45.64 d ± 0.04","decay_modes":"ε=99.9958±0.4%; α=0.0042±0.4%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pum","mass_number":237,"half_life_and_uncertainty":"180 ms ± 20","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pun","mass_number":237,"half_life_and_uncertainty":"1.1 us ± 0.1","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"238Pu","mass_number":238,"half_life_and_uncertainty":"87.7 y ± 0.1","decay_modes":"α=100%; SF=1.9e-7±0.1%; 32Si≈1.4e-14%; 28Mg+30Mg≈6e-15%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pu","mass_number":239,"half_life_and_uncertainty":"24.11 ky ± 0.03","decay_modes":"α=100%; SF=3.1e-10±0.6%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pum","mass_number":239,"half_life_and_uncertainty":"193 ns ± 4","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pun","mass_number":239,"half_life_and_uncertainty":"7.5 us ± 1.0","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"240Pu","mass_number":240,"half_life_and_uncertainty":"6.561 ky ± 0.007","decay_modes":"α=100%; SF=5.796e-6±3.9%; 34Si<1.3e-11%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"240Pum","mass_number":240,"half_life_and_uncertainty":"165 ns ± 10","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pu","mass_number":241,"half_life_and_uncertainty":"14.329 y ± 0.029","decay_modes":"β-≈100%; α=0.00245±0.8%; SF<2.4e-14%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pum","mass_number":241,"half_life_and_uncertainty":"880 ns ± 50","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pun","mass_number":241,"half_life_and_uncertainty":"20.5 us ± 2.2","decay_modes":"SF=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"242Pu","mass_number":242,"half_life_and_uncertainty":"375 ky ± 2","decay_modes":"α=100%; SF=5.510e-4±4.1%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"243Pu","mass_number":243,"half_life_and_uncertainty":"4.9553 h ± 0.0025","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"243Pum","mass_number":243,"half_life_and_uncertainty":"330 ns ± 30","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"244Pu","mass_number":244,"half_life_and_uncertainty":"81.3 My ± 0.3","decay_modes":"α=99.877±0.6%; SF=0.123±0.6%; 2β-<7.3e-9%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"244Pum","mass_number":244,"half_life_and_uncertainty":"1.75 s ± 0.12","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pu","mass_number":245,"half_life_and_uncertainty":"10.5 h ± 0.1","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pum","mass_number":245,"half_life_and_uncertainty":"330 ns ± 20","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pun","mass_number":245,"half_life_and_uncertainty":"90 ns ± 30","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"246Pu","mass_number":246,"half_life_and_uncertainty":"10.84 d ± 0.02","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"247Pu","mass_number":247,"half_life_and_uncertainty":"2.27 d ± 0.23","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null}]}

Property

Value

Isotope lookup isotope_lookup

{"is_kbq_candidate":true,"matched":false,"matched_on":"","claimed_nuclide":"","resolved_nuclide":"","state_resolution":{},"reason":"label_is_not_a_nuclide_name","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading"]}

Isotope mix candidates isotope_mix_candidates

{"element":"Plutonium","source":"pubchem_element_isotope_lists","candidates":[{"nuclide":"221Pu","mass_number":221,"half_life_and_uncertainty":"100 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"222Pu","mass_number":222,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"223Pu","mass_number":223,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"224Pu","mass_number":224,"half_life_and_uncertainty":"10 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"225Pu","mass_number":225,"half_life_and_uncertainty":"100 us [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"226Pu","mass_number":226,"half_life_and_uncertainty":"10 ms [Estimated]","decay_modes":"α ?; SF ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"227Pu","mass_number":227,"half_life_and_uncertainty":"2 s [Estimated]","decay_modes":"α ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"228Pu","mass_number":228,"half_life_and_uncertainty":"2.1 s ± 1.3","decay_modes":"α≈100%; β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"229Pu","mass_number":229,"half_life_and_uncertainty":"91 s ± 26","decay_modes":"α≈50±2%; β+≈50±2%; SF<7%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"230Pu","mass_number":230,"half_life_and_uncertainty":"105 s ± 10","decay_modes":"α≈100%; β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"231Pu","mass_number":231,"half_life_and_uncertainty":"8.6 m ± 0.5","decay_modes":"β+ ?; α=13±0.5%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"232Pu","mass_number":232,"half_life_and_uncertainty":"33.7 m ± 0.5","decay_modes":"ε=?; α<20%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"233Pu","mass_number":233,"half_life_and_uncertainty":"20.9 m ± 0.4","decay_modes":"β+≈100%; α=0.12±0.5%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"234Pu","mass_number":234,"half_life_and_uncertainty":"8.8 h ± 0.1","decay_modes":"ε≈94%; α≈6%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"235Pu","mass_number":235,"half_life_and_uncertainty":"25.3 m ± 0.5","decay_modes":"β+=99.9972±0.7%; α=0.0028±0.7%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"236Pu","mass_number":236,"half_life_and_uncertainty":"2.858 y ± 0.008","decay_modes":"α=100%; SF=1.9e-7±0.4%; 28Mg=2e-12%; 2β+ ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"236Pum","mass_number":236,"half_life_and_uncertainty":"1.2 us ± 0.3","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pu","mass_number":237,"half_life_and_uncertainty":"45.64 d ± 0.04","decay_modes":"ε=99.9958±0.4%; α=0.0042±0.4%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pum","mass_number":237,"half_life_and_uncertainty":"180 ms ± 20","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"237Pun","mass_number":237,"half_life_and_uncertainty":"1.1 us ± 0.1","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"238Pu","mass_number":238,"half_life_and_uncertainty":"87.7 y ± 0.1","decay_modes":"α=100%; SF=1.9e-7±0.1%; 32Si≈1.4e-14%; 28Mg+30Mg≈6e-15%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pu","mass_number":239,"half_life_and_uncertainty":"24.11 ky ± 0.03","decay_modes":"α=100%; SF=3.1e-10±0.6%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pum","mass_number":239,"half_life_and_uncertainty":"193 ns ± 4","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"239Pun","mass_number":239,"half_life_and_uncertainty":"7.5 us ± 1.0","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"240Pu","mass_number":240,"half_life_and_uncertainty":"6.561 ky ± 0.007","decay_modes":"α=100%; SF=5.796e-6±3.9%; 34Si<1.3e-11%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"240Pum","mass_number":240,"half_life_and_uncertainty":"165 ns ± 10","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pu","mass_number":241,"half_life_and_uncertainty":"14.329 y ± 0.029","decay_modes":"β-≈100%; α=0.00245±0.8%; SF<2.4e-14%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pum","mass_number":241,"half_life_and_uncertainty":"880 ns ± 50","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"241Pun","mass_number":241,"half_life_and_uncertainty":"20.5 us ± 2.2","decay_modes":"SF=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"242Pu","mass_number":242,"half_life_and_uncertainty":"375 ky ± 2","decay_modes":"α=100%; SF=5.510e-4±4.1%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"243Pu","mass_number":243,"half_life_and_uncertainty":"4.9553 h ± 0.0025","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"243Pum","mass_number":243,"half_life_and_uncertainty":"330 ns ± 30","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"244Pu","mass_number":244,"half_life_and_uncertainty":"81.3 My ± 0.3","decay_modes":"α=99.877±0.6%; SF=0.123±0.6%; 2β-<7.3e-9%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"244Pum","mass_number":244,"half_life_and_uncertainty":"1.75 s ± 0.12","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pu","mass_number":245,"half_life_and_uncertainty":"10.5 h ± 0.1","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pum","mass_number":245,"half_life_and_uncertainty":"330 ns ± 20","decay_modes":"IT=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"245Pun","mass_number":245,"half_life_and_uncertainty":"90 ns ± 30","decay_modes":"SF≈100%; IT ?","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"246Pu","mass_number":246,"half_life_and_uncertainty":"10.84 d ± 0.02","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null},{"nuclide":"247Pu","mass_number":247,"half_life_and_uncertainty":"2.27 d ± 0.23","decay_modes":"β-=100%","relative_abundance":null,"relative_abundance_source":"","relative_abundance_fraction":null}]}

Where else this substance is described. Collected while the pipeline resolved it — from ChEBI's cross-references, from PubChem's identifier list, and from the CAS number — so a link here is a record the merge actually read, not a search it suggests.

Resource	URL	Recorded by
CAS Common Chemistry	https://commonchemistry.cas.org/detail?cas_rn=7440-07-5	enrich_references.chebi_xrefs
ChEBI	https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:33388	enrich_references.chebi_id_link
chem.echa.europa.eu	https://chem.echa.europa.eu/100.028.288	enrich_references.pubchem_identifier_url
comptox.epa.gov	https://comptox.epa.gov/dashboard/DTXSID4064682	enrich_references.pubchem_identifier_url
gsrs.ncats.nih.gov	https://gsrs.ncats.nih.gov/ginas/app/beta/substances/53023GN24M	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J1.551.320I	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J95.157I	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J96.432H	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J96.433F	enrich_references.pubchem_identifier_url
KEGG	https://www.genome.jp/entry/C19159	enrich_references.chebi_xrefs
kegg.jp	https://www.kegg.jp/entry/C19159	enrich_references.pubchem_identifier_url
PubChem	https://pubchem.ncbi.nlm.nih.gov/compound/23940	enrich_references.pubchem_compound
webelements	webelements:Pu	enrich_references.chebi_xrefs
wikidata.org	https://www.wikidata.org/wiki/Q1102	enrich_references.pubchem_identifier_url
Wikipedia	https://en.wikipedia.org/wiki/Plutonium	enrich_references.pubchem_identifier_url

Flow	Context	Source	Unit
f79f0762-8501-48ab-afaa-c0ae00b5a979	Environmental → Air → Aircraft cruise height	EF 3.1	kBq
6bf7d36b-aadd-4ef9-a482-aa6f47a19bb5	Environmental → Air → Ground level → Urban (>1000 people/square mile)	EF 3.1	kBq
271b7a5d-a741-4de5-8d4c-c131fac0a177	Environmental → Air → Long-term	EF 3.1	kBq
4057d39e-382f-4c8e-85ed-15a11fc7fa48	Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile)	EF 3.1	kBq
13d3b697-739e-47d6-a1a7-d500fff42ae4	Environmental → Air → Unknown	EF 3.1	kBq
cbd90d10-2551-460c-9d1a-3889705bf027	Environmental → Water → Long-term	EF 3.1	kBq
67225611-3d42-4daf-8972-28a1c5e50895	Environmental → Water → Ocean	EF 3.1	kBq
e0519e7a302cfccfb2a750858270cad7bd4fbea3	Environmental → Water → River	bafu algorithm addition	kBq
aef0887d-2891-4c4c-9e3f-7c17c0b63e8f	Environmental → Water → Surface water	EF 3.1	kBq
a9855ae6d1ce892bebb2ab8c9ed8f55b0f4efbaf	Environmental → Water → Unconfined aquifer	ecoinvent algorithm addition	kBq
0bc65b32-7e9d-4934-9078-b11e01080142	Environmental → Water → Unknown	EF 3.1	kBq
ee41dce3-5f96-426d-a7b2-e2aff991369d deprecated	Environmental → Water → Surface water	EF 3.1	kBq

Everything that changed this substance (47 changes)

Open the changes page

Flow object JSON

{
  "flow_object_id": "fo-82ea5cea4e2b11a4",
  "prefLabel": [
    {
      "@value": "Plutonium-alpha",
      "@language": "en",
      "@lang": "en",
      "provenance": {
        "prov:wasGeneratedBy": "bootstrap_labels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "legacy name field"
      }
    }
  ],
  "altLabel": [],
  "properties": {
    "isotope_mix_candidates": {
      "element": "Plutonium",
      "source": "pubchem_element_isotope_lists",
      "candidates": [
        {
          "nuclide": "221Pu",
          "mass_number": 221,
          "half_life_and_uncertainty": "100 us [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "222Pu",
          "mass_number": 222,
          "half_life_and_uncertainty": "10 us [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "223Pu",
          "mass_number": 223,
          "half_life_and_uncertainty": "10 us [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "224Pu",
          "mass_number": 224,
          "half_life_and_uncertainty": "10 us [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "225Pu",
          "mass_number": 225,
          "half_life_and_uncertainty": "100 us [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "226Pu",
          "mass_number": 226,
          "half_life_and_uncertainty": "10 ms [Estimated]",
          "decay_modes": "α ?; SF ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "227Pu",
          "mass_number": 227,
          "half_life_and_uncertainty": "2 s [Estimated]",
          "decay_modes": "α ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "228Pu",
          "mass_number": 228,
          "half_life_and_uncertainty": "2.1 s ± 1.3",
          "decay_modes": "α≈100%; β+ ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "229Pu",
          "mass_number": 229,
          "half_life_and_uncertainty": "91 s ± 26",
          "decay_modes": "α≈50±2%; β+≈50±2%; SF<7%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "230Pu",
          "mass_number": 230,
          "half_life_and_uncertainty": "105 s ± 10",
          "decay_modes": "α≈100%; β+ ?",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "231Pu",
          "mass_number": 231,
          "half_life_and_uncertainty": "8.6 m ± 0.5",
          "decay_modes": "β+ ?; α=13±0.5%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "232Pu",
          "mass_number": 232,
          "half_life_and_uncertainty": "33.7 m ± 0.5",
          "decay_modes": "ε=?; α<20%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "233Pu",
          "mass_number": 233,
          "half_life_and_uncertainty": "20.9 m ± 0.4",
          "decay_modes": "β+≈100%; α=0.12±0.5%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "234Pu",
          "mass_number": 234,
          "half_life_and_uncertainty": "8.8 h ± 0.1",
          "decay_modes": "ε≈94%; α≈6%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "235Pu",
          "mass_number": 235,
          "half_life_and_uncertainty": "25.3 m ± 0.5",
          "decay_modes": "β+=99.9972±0.7%; α=0.0028±0.7%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "236Pu",
          "mass_number": 236,
          "half_life_and_uncertainty": "2.858 y ± 0.008",
          "decay_modes": "α=100%; SF=1.9e-7±0.4%; 28Mg=2e-12%; 2β+ ?",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "236Pum",
          "mass_number": 236,
          "half_life_and_uncertainty": "1.2 us ± 0.3",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "237Pu",
          "mass_number": 237,
          "half_life_and_uncertainty": "45.64 d ± 0.04",
          "decay_modes": "ε=99.9958±0.4%; α=0.0042±0.4%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "237Pum",
          "mass_number": 237,
          "half_life_and_uncertainty": "180 ms ± 20",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "237Pun",
          "mass_number": 237,
          "half_life_and_uncertainty": "1.1 us ± 0.1",
          "decay_modes": "SF≈100%; IT ?",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "238Pu",
          "mass_number": 238,
          "half_life_and_uncertainty": "87.7 y ± 0.1",
          "decay_modes": "α=100%; SF=1.9e-7±0.1%; 32Si≈1.4e-14%; 28Mg+30Mg≈6e-15%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "239Pu",
          "mass_number": 239,
          "half_life_and_uncertainty": "24.11 ky ± 0.03",
          "decay_modes": "α=100%; SF=3.1e-10±0.6%",
          "relative_abundance": null,
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        },
        {
          "nuclide": "239Pum",
          "mass_number": 239,
          "half_life_and_uncertainty": "193 ns ± 4",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "239Pun",
          "mass_number": 239,
          "half_life_and_uncertainty": "7.5 us ± 1.0",
          "decay_modes": "SF≈100%; IT ?",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "240Pu",
          "mass_number": 240,
          "half_life_and_uncertainty": "6.561 ky ± 0.007",
          "decay_modes": "α=100%; SF=5.796e-6±3.9%; 34Si<1.3e-11%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "240Pum",
          "mass_number": 240,
          "half_life_and_uncertainty": "165 ns ± 10",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "241Pu",
          "mass_number": 241,
          "half_life_and_uncertainty": "14.329 y ± 0.029",
          "decay_modes": "β-≈100%; α=0.00245±0.8%; SF<2.4e-14%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "241Pum",
          "mass_number": 241,
          "half_life_and_uncertainty": "880 ns ± 50",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "241Pun",
          "mass_number": 241,
          "half_life_and_uncertainty": "20.5 us ± 2.2",
          "decay_modes": "SF=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "242Pu",
          "mass_number": 242,
          "half_life_and_uncertainty": "375 ky ± 2",
          "decay_modes": "α=100%; SF=5.510e-4±4.1%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "243Pu",
          "mass_number": 243,
          "half_life_and_uncertainty": "4.9553 h ± 0.0025",
          "decay_modes": "β-=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "243Pum",
          "mass_number": 243,
          "half_life_and_uncertainty": "330 ns ± 30",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "244Pu",
          "mass_number": 244,
          "half_life_and_uncertainty": "81.3 My ± 0.3",
          "decay_modes": "α=99.877±0.6%; SF=0.123±0.6%; 2β-<7.3e-9%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "244Pum",
          "mass_number": 244,
          "half_life_and_uncertainty": "1.75 s ± 0.12",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
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          "relative_abundance_fraction": null
        },
        {
          "nuclide": "245Pu",
          "mass_number": 245,
          "half_life_and_uncertainty": "10.5 h ± 0.1",
          "decay_modes": "β-=100%",
          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
        },
        {
          "nuclide": "245Pum",
          "mass_number": 245,
          "half_life_and_uncertainty": "330 ns ± 20",
          "decay_modes": "IT=100%",
          "relative_abundance": null,
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          "relative_abundance": null,
          "relative_abundance_source": "",
          "relative_abundance_fraction": null
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Plutonium-alpha

Identity

Properties

Known URLs

Elementary flows

History

Full record

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