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Published

osmium

vr.tr.osmium · thing-q751

Let an agent explain osmium as an element, relay its properties, uses and hazards from reference sources, and separate the metal from osmium tetroxide and other platinum group metals.

Thing Registry Physical world and living systems PHY.MAT
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Element What osmium is.

Properties

Properties.

Properties

Properties.

  1. What are the properties and isotopes of osmium, and why is it the densest element? definition
  2. Is the question about the metal or about osmium tetroxide? boundary

Occurrence

Occurrence and production.

Occurrence

Occurrence.

  1. Where does osmium occur, and how is it produced? provenance
  2. Which entry fits platinum group metals? action
Use Applications.

Alloys

Alloys.

Alloys

Alloys.

  1. How is osmium used in hard alloys and contacts? provenance
  2. Which entry fits a specific alloy? action

Tetroxide

Osmium tetroxide uses.

Tetroxide

Tetroxide.

  1. How is osmium tetroxide used in microscopy and synthesis, in general terms? provenance
  2. Which references are standard? provenance
Safety Hazards.

Hazards

Toxicity.

Hazards

Hazards.

  1. What hazards does osmium tetroxide pose, and what handling rules apply? provenance
  2. Is the question about a specific laboratory, which needs its safety officer? boundary

Exposure

Exposure response.

Exposure

Exposure.

  1. What do authorities advise after exposure? provenance
  2. Is the user reporting an exposure, which needs emergency services? boundary
Context History and research.

History

Discovery.

History

History.

  1. How was osmium discovered and named? provenance
  2. Which entry fits the discoverer? action

Research

Research.

Research

Research.

  1. What research involves osmium, such as isotope geochemistry? provenance
  2. Which entry fits isotope geochemistry? action

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT
Other names and narrower kinds
osmium-162, osmium-163, osmium-164, osmium-165, osmium-166, osmium-167, osmium-168, osmium-169, osmium-170, osmium-171, osmium-172, osmium-173

What it is Filled

A hard, brittle, bluish-white metal, chemical element 76, of the platinum group and the densest naturally occurring element; obtained as a by-product of nickel and platinum refining, it is used in hard alloys for pen nibs, electrical contacts and instrument pivots, and as osmium tetroxide in microscopy and organic synthesis, a compound that is highly toxic.

Why it exists Filled

Let an agent explain osmium as an element, relay its properties, uses and hazards from reference sources, and separate the metal from osmium tetroxide and other platinum group metals.

Distinguishing features Filled

  • Densest natural element
  • Platinum group metal
  • Forms volatile toxic tetroxide
  • Very rare

What robots and AI may and may not do Filled

Must not

  • Give guidance on handling or obtaining osmium tetroxide outside a properly equipped laboratory.
  • Assist in using osmium compounds to harm people.
  • Present osmium as an investment-grade metal or give investment advice about it.
  • Advise grinding or heating osmium powder where it can oxidise to toxic tetroxide.

Only with a human decision

  • Any decision to store, use or dispose of osmium tetroxide.

May

  • Explain osmium's properties and uses, including its record density, with sources.
  • Relay the hazards of osmium tetroxide from safety data sheets.
  • Clarify the comparison of osmium and iridium densities as reported in references.

Moral aspects Filled

  • Osmium tetroxide can blind and injure people, so its handling must stay in trained hands.
  • Rare metal markets attract fraud that misleading descriptions can feed.

Who is affected

  • Laboratory staff
  • Bystanders
  • Buyers of rare metals

Owners Filled

Steward

The licensed holder of the material; chemical safety authorities regulate its use.

Links to other meta-models Filled

parent

  • Q105789 - registry parent class
  • Q223995 - registry parent class

related

  • platinum group metal - the group
  • iridium - the neighbouring element
  • osmium tetroxide - the notable compound
  • platinum refining - as a by-product

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.osmium
  • Wikidata: Q751 (https://www.wikidata.org/wiki/Q751)
  • chemical symbol: Os
  • CAS number: 7440-04-2

Direct properties required Filled

  • atomic number: 76
  • density: about 22.6 g per cubic centimetre - densest natural element
  • melting point: about 3033 degrees C

Recognition required Filled

  • Element 76, platinum group
  • Densest natural element
  • Iridium is similarly dense; osmium tetroxide is a volatile toxic compound
  • Bluish-white lustrous, very dense and hard metal, usually seen as powder or small pieces.

Capabilities and actions required Filled

  • explain properties and isotopes
  • explain uses and production
  • relay hazards, especially of osmium tetroxide
  • distinguish from other platinum group metals

Hazards and failure modes required Filled

  • Osmium tetroxide toxicity to eyes and lungs
  • Powder oxidising to tetroxide in air
  • Confusion with iridium in density claims

Standards and interfaces required Filled

  • GHS classification and labelling for osmium tetroxide
  • Laboratory safety rules for volatile toxic compounds
  • Occupational exposure limits

Context of use required Filled

  • Hard alloys and, as the tetroxide, staining and synthesis.
  • osmium metal and alloys
  • osmium tetroxide
  • osmium isotopes
  • osmiridium natural alloy

Sources Filled

  1. Wikidata item Q751: osmium - identity and sense of the item
  2. Wikipedia: Osmium - general description of the item

Open questions

  • Should osmium tetroxide be a separate entry?
  • How should safety data be linked?
  • The registry entry has merged isotope aliases; should they be split off?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q751/spec.json