Protactinium-234m

Substance: fo-2df31da50ec8ffac Isotope
Source: EF 3.1
Unit: kBq
Context: Environmental → Water → Surface water
CAS: —
EC: —
Dimension: Environmental
Media: Water
Water body: Surface water
List	Version	Source flow	Name there	Why this flow
EF	3.1	cf029234-cc38-11dd-ad8b-0800200c9a66	Protactinium-234m	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
Source list	Source flow	Name there	Compartment there	Match	Conversion
EF 3.1	cf029234-cc38-11dd-ad8b-0800200c9a66	Protactinium-234m	Emissions/Emissions to water/Emissions to fresh water	exactMatch	—
The change log and the PROV-O trail (0 consensus changes)
Open the changes page
These are the heaviest sections of this page and the least often read, so the page does not pay for them until you ask.
Flow JSON
{
  "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": [],
  "prefLabel": [
    {
      "@value": "Protactinium-234m",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "bootstrap_labels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "legacy name field"
      }
    }
  ],
  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ],
  "uuid": "cf029234-cc38-11dd-ad8b-0800200c9a66",
  "identifier": "cf029234-cc38-11dd-ad8b-0800200c9a66",
  "source": "EF 3.1",
  "cas_numbers": [],
  "ec_numbers": [],
  "context": {
    "dimension": "Environmental",
    "media": "Water",
    "water_body": "Surface water"
  },
  "synonyms": [],
  "lcia_methods": [],
  "unit": "kBq",
  "input_datasets": [
    "EF 3.1"
  ],
  "context_iri": "https://vocab.brightway.one/flow-contexts/envi-wate-suwa",
  "unit_iri": "https://vocab.brightway.one/units/unit/KiloBQ",
  "flow_object_id": "fo-2df31da50ec8ffac",
  "concept_associations": [
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ef/3.1/flow/cf029234-cc38-11dd-ad8b-0800200c9a66",
        "skos:prefLabel": "Protactinium-234m",
        "context": "Emissions/Emissions to water/Emissions to fresh water",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/cf029234-cc38-11dd-ad8b-0800200c9a66"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/cf029234-cc38-11dd-ad8b-0800200c9a66"
      },
      "provenance": {
        "prov:wasGeneratedBy": "build_concept_associations",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://eplca.jrc.ec.europa.eu/permalink/EF3_1/EF-v3.1.zip"
        ]
      }
    }
  ],
  "_sources": {
    "prefLabel": "bootstrap_labels",
    "name": "bootstrap_labels",
    "context": "default_context_mapping",
    "context_iri": "default_context_mapping",
    "unit_iri": "unit_normalization",
    "concept_associations": "carry_associations_onto_flows",
    "types": "link_flows_to_their_substance",
    "properties": "link_flows_to_their_substance"
  },
  "general_comment": "CAS No and Synonyms removed; were erroneous. Correct CAS to be identified. Possibly has none assigned. Reference elementary flow of the International Reference Life Cycle Data System (ILCD).",
  "_transformed": true,
  "_provided": {
    "name": "Protactinium-234m",
    "synonyms": [],
    "context": [
      "Emissions",
      "Emissions to water",
      "Emissions to fresh water"
    ],
    "cas_numbers": [],
    "ec_numbers": [],
    "unit": "kBq"
  }
}
Protactinium-234m

Identity

Context

Source lists

Concept associations

History

Full record

Keyboard
