Technetium-99m

Substance: fo-6f9bc5d050c36e88 Isotope
Source: EF 3.1
Unit: kBq
Context: Environmental → Water → Surface water
CAS: 378784-45-3
EC: —

Dimension: Environmental
Media: Water
Water body: Surface water

List	Version	Source flow	Name there	Why this flow
EF	3.1	94b93899-b947-456b-8143-01d6fcbd7512	Technetium-99m	The consensus list is built from this one, so this row is the flow itself rather than something matched to it.

The change log and the PROV-O trail (1 consensus changes)

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Flow JSON

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      "matched": true,
      "matched_on": "Technetium-99m",
      "claimed_nuclide": "Tc-99m",
      "resolved_nuclide": "Tc-99m",
      "state_resolution": {
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        "selected_state": "m",
        "strategy": "state_taken_as_written",
        "candidates": []
      },
      "checks": [
        {
          "check": "ground_state_does_not_decay_by_isomeric_transition",
          "passed": true,
          "detail": "IT≈100%; β-=0.0037±0.6%"
        },
        {
          "check": "half_life_sources_agree",
          "passed": true,
          "detail": {
            "pubchem_days": 0.25027499999999997,
            "chemlin_days": 0.25027499999999997,
            "ratio": 1.0
          }
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        ],
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        "selected_half_life": "6.0066(2) h (NUBASE2020)",
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            "half_life": "2.115(12)e5 years (DDEP-2025 [04])",
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    },
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      "half_life_and_uncertainty": "6.0066 h ± 0.0002",
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      "discovery_year": "1958",
      "specific_activity_bq_per_g": "1.9515426033329e+17",
      "specific_activity_bq_per_g_value": 1.9515426033329e+17,
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            "half_life_days": 77250375.00000001
          }
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      },
      "symbol": "Tc",
      "isomeric_state": "m",
      "metastable": true
    },
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  "source": "EF 3.1",
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  "ec_numbers": [],
  "context": {
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    "media": "Water",
    "water_body": "Surface water"
  },
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  "lcia_methods": [],
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}

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Technetium-99m

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