Consensus flow list

Uranium-238

fo-bbc90a2dbdb048ca

Identity

Type
Isotope
CAS
24678-82-8
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
46 across every transformer

Properties

PropertyValue
Decay mode chemrof:decay_mode IS=99.2742±1%; α=100%; SF=5.44e-5±0.7%; 2β-=2.2e-10±0.3%
Half life chemrof:half_life 4463000000.0
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-93d10c394b58394e'}
Isotope isotope {"nuclide":"238U","mass_number":238,"atomic_mass_and_uncertainty_u":"238.050786936 ± 0.000001601","half_life_and_uncertainty":"4.463 Gy ± 0.003","decay_modes":"IS=99.2742±1%; α=100%; SF=5.44e-5±0.7%; 2β-=2.2e-10±0.3%","discovery_year":"1896","specific_activity_bq_per_g":"12436.520359891","specific_activity_bq_per_g_value":12436.520359891,"half_life_chemlin":"4.468(6)e9 years","chemlin_url":"https://www.chemlin.org/isotope/uranium-238","isomer_resolution":{"wanted_nuclide":"U-238","expected_half_life_days":1630110750000.0,"attempted_slugs":["238"],"attempted_urls":["https://www.chemlin.org/isotope/uranium-238"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"uranium-238","selected_half_life":"4.468(6)e9 years","selected_half_life_days":1631937000000.0,"half_life_ratio_to_pubchem":1.001120322652924,"alternates":[]},"symbol":"U","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Uranium-238","claimed_nuclide":"U-238","resolved_nuclide":"U-238","state_resolution":{"claimed_state":"","selected_state":"","strategy":"state_taken_as_written","candidates":[]},"checks":[{"check":"ground_state_does_not_decay_by_isomeric_transition","passed":true,"detail":"IS=99.2742±1%; α=100%; SF=5.44e-5±0.7%; 2β-=2.2e-10±0.3%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":1630110750000.0,"chemlin_days":1631937000000.0,"ratio":1.001120322652924}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"U-238","expected_half_life_days":1630110750000.0,"attempted_slugs":["238"],"attempted_urls":["https://www.chemlin.org/isotope/uranium-238"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"uranium-238","selected_half_life":"4.468(6)e9 years","selected_half_life_days":1631937000000.0,"half_life_ratio_to_pubchem":1.001120322652924,"alternates":[]}}
Nucleon number chemrof:nucleon_number 238
Relationships relationships {"parent_element_flow_object_id":"fo-93d10c394b58394e","relationship_type":"isotope_of"}
Symbol chemrof:symbol U

Known URLs

5

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=24678-82-8 enrich_references.consensus_cas_link
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/uranium-238 —
PubChem https://pubchem.ncbi.nlm.nih.gov/element/92 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/92/JSON —

Elementary flows

13
Flow Context Source Unit CFs
29059f46-6556-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 1
fe0acd60-3ddc-11dd-af96-0050c2490048 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 1
08a91e70-3ddc-11dd-9c45-0050c2490048 Environmental → Air → Long-term EF 3.1 kBq 1
4d9a8790-3ddd-11dd-8db3-0050c2490048 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 1
08a91e70-3ddc-11dd-9c44-0050c2490048 Environmental → Air → Unknown EF 3.1 kBq 1
29059f45-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
2905c620-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
2905c621-6556-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
4d9a8790-3ddd-11dd-8db5-0050c2490048 Environmental → Water → Long-term EF 3.1 kBq 1
4d9a8790-3ddd-11dd-8db7-0050c2490048 Environmental → Water → Ocean EF 3.1 kBq 1
4d9a8790-3ddd-11dd-8db4-0050c2490048 Environmental → Water → Surface water EF 3.1 kBq 1
17f9133725737ca15c8039f3401907c3ccbc2f98 Environmental → Water → Unconfined aquifer ecoinvent algorithm addition kBq 0
4d9a8790-3ddd-11dd-8db6-0050c2490048 Environmental → Water → Unknown EF 3.1 kBq 1

History

Everything that changed this substance (46 changes)

Open the changes page

Full record

Flow object JSON 
{
  "flow_object_id": "fo-bbc90a2dbdb048ca",
  "prefLabel": [
    {
      "@value": "Uranium-238",
      "@language": "en",
      "@lang": "en",
      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
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        ],
        "prov:wasDerivedFrom": "legacy name field"
      }
    }
  ],
  "altLabel": [],
  "properties": {
    "isotope_lookup": {
      "is_kbq_candidate": true,
      "matched": true,
      "matched_on": "Uranium-238",
      "claimed_nuclide": "U-238",
      "resolved_nuclide": "U-238",
      "state_resolution": {
        "claimed_state": "",
        "selected_state": "",
        "strategy": "state_taken_as_written",
        "candidates": []
      },
      "checks": [
        {
          "check": "ground_state_does_not_decay_by_isomeric_transition",
          "passed": true,
          "detail": "IS=99.2742±1%; α=100%; SF=5.44e-5±0.7%; 2β-=2.2e-10±0.3%"
        },
        {
          "check": "half_life_sources_agree",
          "passed": true,
          "detail": {
            "pubchem_days": 1630110750000.0,
            "chemlin_days": 1631937000000.0,
            "ratio": 1.001120322652924
          }
        }
      ],
      "reason": "",
      "source": "pubchem_pug_view_annotation_heading",
      "sources": [
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      ],
      "isomer_resolution": {
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        "expected_half_life_days": 1630110750000.0,
        "attempted_slugs": [
          "238"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/uranium-238"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "uranium-238",
        "selected_half_life": "4.468(6)e9 years",
        "selected_half_life_days": 1631937000000.0,
        "half_life_ratio_to_pubchem": 1.001120322652924,
        "alternates": []
      }
    },
    "relationships": {
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      "relationship_type": "isotope_of"
    },
    "isotope": {
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      "mass_number": 238,
      "atomic_mass_and_uncertainty_u": "238.050786936 ± 0.000001601",
      "half_life_and_uncertainty": "4.463 Gy ± 0.003",
      "decay_modes": "IS=99.2742±1%; α=100%; SF=5.44e-5±0.7%; 2β-=2.2e-10±0.3%",
      "discovery_year": "1896",
      "specific_activity_bq_per_g": "12436.520359891",
      "specific_activity_bq_per_g_value": 12436.520359891,
      "half_life_chemlin": "4.468(6)e9 years",
      "chemlin_url": "https://www.chemlin.org/isotope/uranium-238",
      "isomer_resolution": {
        "wanted_nuclide": "U-238",
        "expected_half_life_days": 1630110750000.0,
        "attempted_slugs": [
          "238"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/uranium-238"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "uranium-238",
        "selected_half_life": "4.468(6)e9 years",
        "selected_half_life_days": 1631937000000.0,
        "half_life_ratio_to_pubchem": 1.001120322652924,
        "alternates": []
      },
      "symbol": "U",
      "isomeric_state": "",
      "metastable": false
    },
    "https://w3id.org/chemrof/nucleon_number": {
      "rdfs:label": "nucleon number",
      "@value": [
        238
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
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    },
    "https://w3id.org/chemrof/symbol": {
      "rdfs:label": "symbol",
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      ],
      "provenance": {
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    },
    "https://w3id.org/chemrof/half_life": {
      "rdfs:label": "half life",
      "@value": [
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      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/YR",
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    "https://w3id.org/chemrof/decay_mode": {
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      ],
      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.decay_modes"
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    },
    "https://w3id.org/chemrof/has_element": {
      "rdfs:label": "has element",
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        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "relationships.parent_element_flow_object_id"
      }
    }
  },
  "references": [
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      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
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        ],
        "prov:wasDerivedFrom": "cas_numbers"
      }
    },
    "https://pubchem.ncbi.nlm.nih.gov/element/92",
    "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/92/JSON",
    "https://www.chemlin.org",
    "https://www.chemlin.org/isotope/uranium-238"
  ],
  "created_from": {
    "resolver": "hybrid_name_cas_v1",
    "seed_uuid": "08a91e70-3ddc-11dd-9c44-0050c2490048",
    "seed_source": "EF 3.1",
    "semantic_typing": {
      "rule": "isotope_record",
      "reason": "",
      "types": [
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        "https://w3id.org/chemrof/Radionuclide"
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      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "semantic_typing.rule.isotope_record"
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  },
  "classifications": {
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      "@value": [
        "24678-82-8"
      ],
      "rdfs:seeAlso": [
        "https://commonchemistry.cas.org/detail?cas_rn=24678-82-8"
      ],
      "http://www.w3.org/2004/02/skos/core#exactMatch": [
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        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "hybrid_name_cas_v1",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "cas_numbers"
      }
    }
  },
  "origin_qualifier": null,
  "parent_flow_object_id": null,
  "parent_intervention_id": null,
  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ]
}

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