Consensus flow list

Protactinium-234m

fo-2df31da50ec8ffac

Identity

Type
Isotope
CAS
—
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
41 across every transformer

Properties

PropertyValue
Decay mode chemrof:decay_mode β-≈100%; IT=0.16±0.4%
Half life chemrof:half_life 2.203589626587573e-06
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-51208fec587aa216'}
Isotope isotope {"nuclide":"234Pam","mass_number":234,"atomic_mass_and_uncertainty_u":"234.043305555 ± 0.000004395","half_life_and_uncertainty":"1.159 m ± 0.011","decay_modes":"β-≈100%; IT=0.16±0.4%","discovery_year":"1951","specific_activity_bq_per_g":"2.5647524475396e+19","specific_activity_bq_per_g_value":2.5647524475396e+19,"half_life_chemlin":"1.159(11) min","chemlin_url":"https://www.chemlin.org/isotope/protactinium-234m","isomer_resolution":{"wanted_nuclide":"Pa-234m","expected_half_life_days":0.000804861111111111,"attempted_slugs":["234","234m","234m1","234m2","234m3"],"attempted_urls":["https://www.chemlin.org/isotope/protactinium-234","https://www.chemlin.org/isotope/protactinium-234m","https://www.chemlin.org/isotope/protactinium-234m1","https://www.chemlin.org/isotope/protactinium-234m2","https://www.chemlin.org/isotope/protactinium-234m3"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"protactinium-234m","selected_half_life":"1.159(11) min","selected_half_life_days":0.000804861111111111,"half_life_ratio_to_pubchem":1.0,"alternates":[{"slug":"protactinium-234","url":"https://www.chemlin.org/isotope/protactinium-234","half_life":"6.70(5) h","half_life_days":0.2791666666666667}]},"symbol":"Pa","isomeric_state":"m","metastable":true}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Protactinium-234m","claimed_nuclide":"Pa-234m","resolved_nuclide":"Pa-234m","state_resolution":{"claimed_state":"m","selected_state":"m","strategy":"state_taken_as_written","candidates":[]},"checks":[{"check":"ground_state_does_not_decay_by_isomeric_transition","passed":true,"detail":"β-≈100%; IT=0.16±0.4%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":0.000804861111111111,"chemlin_days":0.000804861111111111,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Pa-234m","expected_half_life_days":0.000804861111111111,"attempted_slugs":["234","234m","234m1","234m2","234m3"],"attempted_urls":["https://www.chemlin.org/isotope/protactinium-234","https://www.chemlin.org/isotope/protactinium-234m","https://www.chemlin.org/isotope/protactinium-234m1","https://www.chemlin.org/isotope/protactinium-234m2","https://www.chemlin.org/isotope/protactinium-234m3"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"protactinium-234m","selected_half_life":"1.159(11) min","selected_half_life_days":0.000804861111111111,"half_life_ratio_to_pubchem":1.0,"alternates":[{"slug":"protactinium-234","url":"https://www.chemlin.org/isotope/protactinium-234","half_life":"6.70(5) h","half_life_days":0.2791666666666667}]}}
Nucleon number chemrof:nucleon_number 234
Relationships relationships {"parent_element_flow_object_id":"fo-51208fec587aa216","relationship_type":"isotope_of"}
Symbol chemrof:symbol Pa

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
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/protactinium-234 —
ChemLin https://www.chemlin.org/isotope/protactinium-234m —
PubChem https://pubchem.ncbi.nlm.nih.gov/element/91 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/91/JSON —

Elementary flows

12
Flow Context Source Unit CFs
cf029230-cc38-11dd-ad8b-0800200c9a66 Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
cf029235-cc38-11dd-ad8b-0800200c9a66 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
cf026b38-cc38-11dd-ad8b-0800200c9a66 Environmental → Air → Long-term EF 3.1 kBq 0
cf029238-cc38-11dd-ad8b-0800200c9a66 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
cf029236-cc38-11dd-ad8b-0800200c9a66 Environmental → Air → Unknown EF 3.1 kBq 0
cf029231-cc38-11dd-ad8b-0800200c9a66 Environmental → Ground → Agricultural EF 3.1 kBq 0
cf026b3a-cc38-11dd-ad8b-0800200c9a66 Environmental → Ground → Non-agricultural EF 3.1 kBq 0
cf029237-cc38-11dd-ad8b-0800200c9a66 Environmental → Ground → Unknown EF 3.1 kBq 0
cf029233-cc38-11dd-ad8b-0800200c9a66 Environmental → Water → Long-term EF 3.1 kBq 0
cf026b39-cc38-11dd-ad8b-0800200c9a66 Environmental → Water → Ocean EF 3.1 kBq 0
cf029234-cc38-11dd-ad8b-0800200c9a66 Environmental → Water → Surface water EF 3.1 kBq 0
cf029232-cc38-11dd-ad8b-0800200c9a66 Environmental → Water → Unknown EF 3.1 kBq 0

History

Everything that changed this substance (41 changes)

Open the changes page

Full record

Flow object JSON 
{
  "flow_object_id": "fo-2df31da50ec8ffac",
  "prefLabel": [
    {
      "@value": "Protactinium-234m",
      "@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_lookup": {
      "is_kbq_candidate": true,
      "matched": true,
      "matched_on": "Protactinium-234m",
      "claimed_nuclide": "Pa-234m",
      "resolved_nuclide": "Pa-234m",
      "state_resolution": {
        "claimed_state": "m",
        "selected_state": "m",
        "strategy": "state_taken_as_written",
        "candidates": []
      },
      "checks": [
        {
          "check": "ground_state_does_not_decay_by_isomeric_transition",
          "passed": true,
          "detail": "β-≈100%; IT=0.16±0.4%"
        },
        {
          "check": "half_life_sources_agree",
          "passed": true,
          "detail": {
            "pubchem_days": 0.000804861111111111,
            "chemlin_days": 0.000804861111111111,
            "ratio": 1.0
          }
        }
      ],
      "reason": "",
      "source": "pubchem_pug_view_annotation_heading",
      "sources": [
        "pubchem_pug_view_annotation_heading",
        "https://www.chemlin.org"
      ],
      "isomer_resolution": {
        "wanted_nuclide": "Pa-234m",
        "expected_half_life_days": 0.000804861111111111,
        "attempted_slugs": [
          "234",
          "234m",
          "234m1",
          "234m2",
          "234m3"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/protactinium-234",
          "https://www.chemlin.org/isotope/protactinium-234m",
          "https://www.chemlin.org/isotope/protactinium-234m1",
          "https://www.chemlin.org/isotope/protactinium-234m2",
          "https://www.chemlin.org/isotope/protactinium-234m3"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "protactinium-234m",
        "selected_half_life": "1.159(11) min",
        "selected_half_life_days": 0.000804861111111111,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": [
          {
            "slug": "protactinium-234",
            "url": "https://www.chemlin.org/isotope/protactinium-234",
            "half_life": "6.70(5) h",
            "half_life_days": 0.2791666666666667
          }
        ]
      }
    },
    "relationships": {
      "parent_element_flow_object_id": "fo-51208fec587aa216",
      "relationship_type": "isotope_of"
    },
    "isotope": {
      "nuclide": "234Pam",
      "mass_number": 234,
      "atomic_mass_and_uncertainty_u": "234.043305555 ± 0.000004395",
      "half_life_and_uncertainty": "1.159 m ± 0.011",
      "decay_modes": "β-≈100%; IT=0.16±0.4%",
      "discovery_year": "1951",
      "specific_activity_bq_per_g": "2.5647524475396e+19",
      "specific_activity_bq_per_g_value": 2.5647524475396e+19,
      "half_life_chemlin": "1.159(11) min",
      "chemlin_url": "https://www.chemlin.org/isotope/protactinium-234m",
      "isomer_resolution": {
        "wanted_nuclide": "Pa-234m",
        "expected_half_life_days": 0.000804861111111111,
        "attempted_slugs": [
          "234",
          "234m",
          "234m1",
          "234m2",
          "234m3"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/protactinium-234",
          "https://www.chemlin.org/isotope/protactinium-234m",
          "https://www.chemlin.org/isotope/protactinium-234m1",
          "https://www.chemlin.org/isotope/protactinium-234m2",
          "https://www.chemlin.org/isotope/protactinium-234m3"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "protactinium-234m",
        "selected_half_life": "1.159(11) min",
        "selected_half_life_days": 0.000804861111111111,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": [
          {
            "slug": "protactinium-234",
            "url": "https://www.chemlin.org/isotope/protactinium-234",
            "half_life": "6.70(5) h",
            "half_life_days": 0.2791666666666667
          }
        ]
      },
      "symbol": "Pa",
      "isomeric_state": "m",
      "metastable": true
    },
    "https://w3id.org/chemrof/nucleon_number": {
      "rdfs:label": "nucleon number",
      "@value": [
        234
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.mass_number"
      }
    },
    "https://w3id.org/chemrof/symbol": {
      "rdfs:label": "symbol",
      "@value": [
        "Pa"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.symbol"
      }
    },
    "https://w3id.org/chemrof/half_life": {
      "rdfs:label": "half life",
      "@value": [
        2.203589626587573e-6
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/YR",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.half_life_and_uncertainty"
      }
    },
    "https://w3id.org/chemrof/decay_mode": {
      "rdfs:label": "decay mode",
      "@value": [
        "β-≈100%; IT=0.16±0.4%"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.decay_modes"
      }
    },
    "https://w3id.org/chemrof/has_element": {
      "rdfs:label": "has element",
      "@value": [
        {
          "@id": "https://vocab.brightway.dev/flow-objects/fo-51208fec587aa216"
        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "relationships.parent_element_flow_object_id"
      }
    }
  },
  "references": [
    "https://pubchem.ncbi.nlm.nih.gov/element/91",
    "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/91/JSON",
    "https://www.chemlin.org",
    "https://www.chemlin.org/isotope/protactinium-234",
    "https://www.chemlin.org/isotope/protactinium-234m"
  ],
  "created_from": {
    "resolver": "hybrid_name_cas_v1",
    "seed_uuid": "cf026b38-cc38-11dd-ad8b-0800200c9a66",
    "seed_source": "EF 3.1",
    "semantic_typing": {
      "rule": "isotope_record",
      "reason": "",
      "types": [
        "https://w3id.org/chemrof/Isotope",
        "https://w3id.org/chemrof/Radionuclide"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "semantic_typing.rule.isotope_record"
      }
    }
  },
  "classifications": {},
  "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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