Enum: UraniumEnrichmentLevelEnum

Standard uranium-235 enrichment level classifications

URI: valuesets:UraniumEnrichmentLevelEnum

Permissible Values

Value	Meaning	Description
NATURAL	None	Natural uranium enrichment (0
SLIGHTLY_ENRICHED	None	Minimal enrichment above natural levels
LOW_ENRICHED	None	Standard commercial reactor enrichment
HIGH_ASSAY_LOW_ENRICHED	None	Higher enrichment for advanced reactors
HIGHLY_ENRICHED	None	High enrichment for research and naval reactors
WEAPONS_GRADE	None	Very high enrichment for weapons

Slots

Name	Description
uranium_enrichment_level	Uranium-235 enrichment classification

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: UraniumEnrichmentLevelEnum
description: Standard uranium-235 enrichment level classifications
from_schema: https://w3id.org/linkml/valuesets
rank: 1000
permissible_values:
  NATURAL:
    text: NATURAL
    description: Natural uranium enrichment (0.711% U-235)
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 0.711
      category:
        tag: category
        value: natural
      separative_work:
        tag: separative_work
        value: 0
    title: Natural Uranium
  SLIGHTLY_ENRICHED:
    text: SLIGHTLY_ENRICHED
    description: Minimal enrichment above natural levels
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 0.8-2.0
      category:
        tag: category
        value: SEU
      typical_use:
        tag: typical_use
        value: some heavy water reactors
    title: Slightly Enriched Uranium
  LOW_ENRICHED:
    text: LOW_ENRICHED
    description: Standard commercial reactor enrichment
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 2.0-5.0
      category:
        tag: category
        value: LEU
      typical_use:
        tag: typical_use
        value: PWR, BWR commercial reactors
    title: Low Enriched Uranium
  HIGH_ASSAY_LOW_ENRICHED:
    text: HIGH_ASSAY_LOW_ENRICHED
    description: Higher enrichment for advanced reactors
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 5.0-20.0
      category:
        tag: category
        value: HALEU
      typical_use:
        tag: typical_use
        value: advanced reactors, SMRs
    title: High-Assay Low Enriched Uranium
  HIGHLY_ENRICHED:
    text: HIGHLY_ENRICHED
    description: High enrichment for research and naval reactors
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 20.0-90.0
      category:
        tag: category
        value: HEU
      typical_use:
        tag: typical_use
        value: research reactors, naval propulsion
    title: Highly Enriched Uranium
  WEAPONS_GRADE:
    text: WEAPONS_GRADE
    description: Very high enrichment for weapons
    annotations:
      u235_percentage:
        tag: u235_percentage
        value: 90.0+
      category:
        tag: category
        value: WGU
      proliferation_concern:
        tag: proliferation_concern
        value: extreme
    title: Weapons-Grade Uranium