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Published

nickel

vr.tr.nickel · thing-q744

Let an agent identify nickel and its properties, relay production, uses and isotopes from reference sources, relay health and regulatory information such as allergy and exposure limits, and distinguish it from similar metals.

Thing Registry Physical world and living systems PHY.MAT

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Identify What nickel is.

Properties

Properties.

Properties

Properties.

  1. What are the physical and chemical properties of nickel? definition
  2. Is the question about nickel or a similar metal such as cobalt? boundary

Isotopes

Isotopes.

Isotopes

Isotopes.

  1. Which isotopes exist, and which are stable? definition
  2. Which entry fits the specific isotope? action
Industry Production and uses.

Production

Mining and refining.

Production

Production.

  1. How is nickel mined and refined, and who produces it, with sources? provenance
  2. Which sources are cited? provenance

Uses

Uses.

Uses

Uses.

  1. How is nickel used in alloys, plating, batteries and catalysts? provenance
  2. Which entry fits a specific alloy or product? action
Health Health and regulation.

Allergy

Allergy.

Allergy

Allergy.

  1. What do health bodies say about nickel allergy and product restrictions? provenance
  2. Is the user asking about their own symptoms, which needs a clinician? boundary

Exposure

Exposure limits.

Exposure

Exposure.

  1. What occupational and environmental limits apply, and how are nickel compounds classified? provenance
  2. Which entry fits occupational health? action
Context History and markets.

History

History.

History

History.

  1. How was nickel discovered and named, and how did its use grow? provenance
  2. Which references are standard? provenance

Markets

Markets.

Markets

Markets.

  1. How is nickel traded, and what drives demand such as batteries? provenance
  2. Is the user asking for investment advice, which the model does not give? boundary

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT
Other names and narrower kinds
nickel-54m, nickel-49, nickel-50, nickel-51, nickel-52, nickel-53, nickel-54, nickel-55, nickel-57, nickel-65, nickel-66, nickel-67

What it is Filled

A chemical element with symbol Ni and atomic number 28, a hard, silvery-white, ductile transition metal that resists corrosion and is ferromagnetic at room temperature; nickel is used mainly in stainless steel and other alloys, in plating, coins, batteries and catalysts, is mined from sulfide and laterite ores, and is a common contact allergen.

Why it exists Filled

Let an agent identify nickel and its properties, relay production, uses and isotopes from reference sources, relay health and regulatory information such as allergy and exposure limits, and distinguish it from similar metals.

Distinguishing features Filled

  • Corrosion resistant
  • Ferromagnetic
  • Key alloying element
  • Common allergen

What robots and AI may and may not do Filled

Must not

  • Label a product nickel-free or hypoallergenic without evidence.
  • Let workers inhale nickel dust or fumes without protection.
  • Misrepresent the origin of nickel to hide environmental or labour harm.
  • Dispose of nickel-containing batteries outside proper collection.

Only with a human decision

  • Sourcing decisions that rely on contested claims about mining practices.

May

  • Report nickel's properties, alloys and uses, such as in stainless steel and batteries.
  • Flag nickel content in products for people with nickel allergy.

Moral aspects Filled

  • Nickel allergy is common and painful; honest labelling protects people.
  • Nickel mining and smelting have polluted land and harmed local and indigenous communities.

Who is affected

  • People with nickel allergy
  • Mining and smelter workers
  • Communities near mines

Owners Filled

Steward

The holder of the material; mining and environmental regulators oversee extraction.

Links to other meta-models Filled

parent

  • Q11426 - registry parent class
  • Q186752 - registry parent class
  • Q21073024 - registry parent class
  • Q9259184 - registry parent class

related

  • metal - a transition metal
  • allergen - a common contact allergen
  • stainless steel - the largest use
  • cobalt - element 27

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.nickel
  • Wikidata: Q744 (https://www.wikidata.org/wiki/Q744)
  • symbol: Ni
  • CAS: 7440-02-0

Direct properties required Filled

  • atomic number: 28 Z
  • standard atomic weight: 58.693 u
  • melting point: 1455 degrees C
  • density: 8.91 g/cm3

Recognition required Filled

  • Element 28, symbol Ni
  • Ferromagnetic transition metal
  • Cobalt and iron are the neighbouring ferromagnetic metals
  • A lustrous silvery-white metal with a faint golden tinge, resistant to tarnish.

Capabilities and actions required Filled

  • relay properties and isotopes
  • explain production and uses
  • relay health and regulatory information
  • distinguish from similar metals

Hazards and failure modes required Filled

  • Contact allergy
  • Carcinogenicity of some compounds by inhalation
  • Flammability of fine powder
  • Environmental impact of mining

Standards and interfaces required Filled

  • EU nickel restriction for items in prolonged skin contact
  • Occupational exposure limits
  • IARC classification of nickel compounds
  • Battery and mining regulations

Context of use required Filled

  • Alloys, plating, batteries and catalysts.
  • nickel metal and alloys such as stainless steel, Monel and Inconel
  • nickel compounds such as sulfate and oxide
  • isotopes from nickel-48 to nickel-82, with five stable isotopes
  • nickel in batteries and catalysts

Sources Filled

  1. Wikidata item Q744: nickel - identity and sense of the item
  2. Wikipedia: Nickel - general description of the item

Open questions

  • Should isotopes and major alloys be separate entries?
  • How should exposure limits be linked?
  • The registry entry has merged aliases naming isotopes; should they be split off?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q744/spec.json