Argon-40

Property	Value
Decay mode chemrof:decay_mode	IS=99.6035±25%
Has element chemrof:has_element	{'@id': 'https://vocab.brightway.dev/flow-objects/fo-9cd8e614ca2929e5'}
Isotope isotope	{"nuclide":"40Ar","mass_number":40,"atomic_mass_and_uncertainty_u":"39.96238312204 ± 0.00000000234","half_life_and_uncertainty":"Stable","decay_modes":"IS=99.6035±25%","discovery_year":"1920","specific_activity_bq_per_g":"","specific_activity_bq_per_g_value":null,"half_life_chemlin":"stable","chemlin_url":"https://www.chemlin.org/isotope/argon-40","isomer_resolution":{"wanted_nuclide":"Ar-40","expected_half_life_days":null,"attempted_slugs":["40"],"attempted_urls":["https://www.chemlin.org/isotope/argon-40"],"strategy":"ground_state_slug","selected_slug":"argon-40","selected_half_life":"stable","selected_half_life_days":null,"half_life_ratio_to_pubchem":null,"alternates":[]},"symbol":"Ar","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup	{"is_kbq_candidate":true,"matched":true,"matched_on":"Argon-40","claimed_nuclide":"Ar-40","resolved_nuclide":"Ar-40","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=99.6035±25%"}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Ar-40","expected_half_life_days":null,"attempted_slugs":["40"],"attempted_urls":["https://www.chemlin.org/isotope/argon-40"],"strategy":"ground_state_slug","selected_slug":"argon-40","selected_half_life":"stable","selected_half_life_days":null,"half_life_ratio_to_pubchem":null,"alternates":[]}}
Nucleon number chemrof:nucleon_number	40
Relationships relationships	{"parent_element_flow_object_id":"fo-9cd8e614ca2929e5","relationship_type":"isotope_of"}
Symbol chemrof:symbol	Ar

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/argon-40	—
PubChem	https://pubchem.ncbi.nlm.nih.gov/element/18	—
PubChem	https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/18/JSON	—

Flow	Context	Source	Unit	CFs
3f5f02ed-d820-47b1-b319-505ab06b9bc0	Environmental → Air → Unknown	EF 3.1	kBq	0
e8d5b530-d495-4f79-8c34-ca8ec4852bfa	Resource → Air	EF 3.1	kBq	0

Everything that changed this substance (11 changes)

Open the changes page

Flow object JSON

{
  "flow_object_id": "fo-5bc26acbf5292dc4",
  "prefLabel": [
    {
      "@value": "Argon-40",
      "@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": "Argon-40",
      "claimed_nuclide": "Ar-40",
      "resolved_nuclide": "Ar-40",
      "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=99.6035±25%"
        }
      ],
      "reason": "",
      "source": "pubchem_pug_view_annotation_heading",
      "sources": [
        "pubchem_pug_view_annotation_heading",
        "https://www.chemlin.org"
      ],
      "isomer_resolution": {
        "wanted_nuclide": "Ar-40",
        "expected_half_life_days": null,
        "attempted_slugs": [
          "40"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/argon-40"
        ],
        "strategy": "ground_state_slug",
        "selected_slug": "argon-40",
        "selected_half_life": "stable",
        "selected_half_life_days": null,
        "half_life_ratio_to_pubchem": null,
        "alternates": []
      }
    },
    "relationships": {
      "parent_element_flow_object_id": "fo-9cd8e614ca2929e5",
      "relationship_type": "isotope_of"
    },
    "isotope": {
      "nuclide": "40Ar",
      "mass_number": 40,
      "atomic_mass_and_uncertainty_u": "39.96238312204 ± 0.00000000234",
      "half_life_and_uncertainty": "Stable",
      "decay_modes": "IS=99.6035±25%",
      "discovery_year": "1920",
      "specific_activity_bq_per_g": "",
      "specific_activity_bq_per_g_value": null,
      "half_life_chemlin": "stable",
      "chemlin_url": "https://www.chemlin.org/isotope/argon-40",
      "isomer_resolution": {
        "wanted_nuclide": "Ar-40",
        "expected_half_life_days": null,
        "attempted_slugs": [
          "40"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/argon-40"
        ],
        "strategy": "ground_state_slug",
        "selected_slug": "argon-40",
        "selected_half_life": "stable",
        "selected_half_life_days": null,
        "half_life_ratio_to_pubchem": null,
        "alternates": []
      },
      "symbol": "Ar",
      "isomeric_state": "",
      "metastable": false
    },
    "https://w3id.org/chemrof/nucleon_number": {
      "rdfs:label": "nucleon number",
      "@value": [
        40
      ],
      "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": [
        "Ar"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.symbol"
      }
    },
    "https://w3id.org/chemrof/decay_mode": {
      "rdfs:label": "decay mode",
      "@value": [
        "IS=99.6035±25%"
      ],
      "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-9cd8e614ca2929e5"
        }
      ],
      "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/18",
    "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/18/JSON",
    "https://www.chemlin.org",
    "https://www.chemlin.org/isotope/argon-40"
  ],
  "created_from": {
    "resolver": "hybrid_name_cas_v1",
    "seed_uuid": "3f5f02ed-d820-47b1-b319-505ab06b9bc0",
    "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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Argon-40

Identity

Properties

Known URLs

Elementary flows

History

Full record

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