28
Ni
Nickel

Nickel

Element 28 • Transition Metal
Atomic Mass 58.693400
Electron Config Unknown
Group/Period 10/4

Overview

ANALYZED
Nickel is the tough, corrosion-resistant metal that keeps the modern world running smoothly! This silvery-white transition metal is so durable and versatile that it's used in everything from the coins in your pocket to the stainless steel in nuclear reactors. Named after "kupfernickel" (Old Nick's copper) by frustrated German miners who couldn't extract copper from Nickel-containing ores, this element has become absolutely indispensable for modern technology. Discovered in 1751 by Swedish chemist Axel Fredrik Cronstedt, Nickel was initially mistaken for copper due to its similar appearance in ores. What makes Nickel truly remarkable is its exceptional resistance to corrosion and its ability to maintain strength at extreme temperatures. It can withstand seawater, acids, and alkalis that would destroy other metals, making it perfect for marine applications and chemical processing. Here's what makes Nickel absolutely essential: it's the key ingredient in stainless steel, comprising 8-12% of austenitic stainless steel alloys. Without Nickel, stainless steel would lose its corrosion resistance and become brittle. This means Nickel is literally holding together our infrastructure - from kitchen sinks to chemical plants to the International Space Station! Nickel has fascinating magnetic properties too. It's ferromagnetic like iron and cobalt, but loses its magnetism at 358°C (called the Curie temperature). This property is used in automatic temperature controls and fire sprinkler systems. Nickel also has the unique ability to absorb hydrogen gas, making it useful for hydrogen storage and fuel cell applications. One of the coolest things about Nickel is its role in making shape-memory alloys like Nitinol (Nickel-titanium). These "smart metals" can remember their original shape and return to it when heated, making them perfect for medical stents, eyeglass frames, and aerospace applications.

Physical Properties

MEASURED
Atomic Mass
58.693400 u
Melting Point
1728.00 °C
Boiling Point
3186.00 °C
Ionization Energy
7.64 kJ/mol

Special Properties

CLASSIFIED
STABLE Generally safe to handle with standard precautions

Applications

CATALOGUED

Nickel: The Corrosion Fighter

Nickel transforms steel from rust-prone iron into corrosion-resistant alloys that build chemical plants, food processing equipment, and architectural marvels. This versatile metal enables both the smallest electronic components and the largest industrial infrastructure through its remarkable chemical stability.

Stainless Steel Enhancement

Austenitic stainless steels containing 8-12% Nickel provide superior corrosion resistance and formability compared to ferritic grades. Type 304 stainless steel (18% chromium, 8% Nickel) dominates food processing, pharmaceutical, and architectural applications. Duplex stainless steels use Nickel to balance ferrite and austenite phases, achieving exceptional strength and corrosion resistance for marine and chemical applications.

Superalloy Applications

Nickel-based superalloys like Inconel and Hastelloy maintain strength and oxidation resistance at temperatures exceeding 1000°C. These alloys enable jet engine hot sections, gas turbine components, and chemical processing equipment operating under extreme conditions. Single-crystal turbine blades cast from Nickel superalloys allow modern engines to achieve unprecedented efficiency and reliability.

Battery Technology

Nickel-metal hydride (NiMH) batteries power hybrid vehicles like the Toyota Prius, providing reliable energy storage with excellent cycle life. Lithium-ion batteries increasingly use Nickel-rich cathodes (NCM 811: 80% Nickel, 10% cobalt, 10% manganese) to improve energy density while reducing cobalt dependence in electric vehicle applications.

Electroplating and Coatings

Nickel electroplating provides corrosion protection and decorative finishes for automotive parts, plumbing fixtures, and electronic components. Electroless Nickel plating creates uniform coatings on complex geometries without electrical connections, essential for computer hard drives, aerospace components, and precision instrumentation.

Common Uses

INDEXED

Nickel: Everywhere Unseen

  • Kitchen & Food Service
    • Stainless steel cookware and utensils
    • Restaurant equipment and food processing machinery
    • Kitchen sinks and commercial food preparation surfaces
    • Beverage brewing and distillation equipment
  • Transportation
    • Hybrid vehicle battery systems (Toyota Prius, Honda Insight)
    • Stainless steel exhaust systems
    • Aircraft engine components and structures
    • Marine propeller shafts and fittings
  • Electronics & Technology
    • Computer hard drive components
    • Smartphone and electronic device casings
    • Rechargeable battery systems
    • Printed circuit board components
  • Chemical Industry
    • Chemical processing equipment and reactors
    • Petroleum refining catalyst supports
    • Pharmaceutical manufacturing equipment
    • Industrial piping and storage systems
  • Construction & Architecture
    • Building facades and cladding systems
    • Architectural hardware and fixtures
    • Bridge components and structural elements
    • Roofing and gutter systems

Natural Occurrence

SURVEYED

Nickel: From Meteorites to Earth

Nickel forms primarily through neutron capture processes during stellar nucleosynthesis and represents one of the most abundant elements in iron meteorites. Earth's core contains significant Nickel concentrations, while crustal Nickel derives from both primordial accumulation and later meteoritic bombardment.

Terrestrial Distribution

Earth's crust contains approximately 90 parts per million Nickel, though this vastly underrepresents Nickel's true planetary abundance due to its concentration in the iron-Nickel core. Surface Nickel occurs primarily in laterite deposits formed through tropical weathering and sulfide deposits associated with mafic and ultramafic igneous rocks.

Major Nickel Deposits

Sudbury Basin in Ontario, Canada, formed by meteorite impact 1.85 billion years ago, contains world-class Nickel-copper-platinum group element deposits. The impact melted existing rocks and concentrated metals from both terrestrial sources and the impacting meteorite. Norilsk-Talnakh in Russia represents another major sulfide deposit associated with large igneous province formation.

Laterite Resources

Tropical laterite deposits in New Caledonia, Philippines, and Indonesia form through intense chemical weathering of ultramafic rocks under hot, humid conditions. These deposits typically contain 1-3% Nickel in oxide and silicate minerals, requiring specialized pyrometallurgical or hydrometallurgical processing techniques.

Ocean Floor Potential

Seafloor massive sulfides and manganese nodules represent emerging Nickel resources as terrestrial deposits become depleted. Deep-sea mining technology development focuses on these resources, though environmental and technical challenges remain significant.

Discovery

ARCHIVED
1751

The Deceiving Copper Ore

Axel Fredrik Cronstedt (1722-1765), a Swedish mineralogist, discovered nickel in 1751 while attempting to extract copper from kupfernickel ore (now known as nickeline, NiAs). German miners had named this troublesome ore "kupfernickel" (meaning "Devil's copper") because it resembled copper ore but yielded no copper and produced toxic arsenic fumes when smelted.

Systematic Investigation

Cronstedt's careful analysis revealed that kupfernickel contained a previously unknown white metal with properties distinct from all known elements. His isolation techniques involved roasting the ore to remove arsenic, then reducing the resulting oxide with charcoal to produce metallic nickel.

Industrial Development

Commercial nickel production began in the 1860s with the development of New Caledonian laterite processing. The discovery of the Sudbury deposits in 1883 following railroad construction transformed nickel from laboratory curiosity to strategic industrial material, enabling stainless steel development and modern metallurgy.

Safety Information

CRITICAL

Nickel Safety: Allergy and Carcinogen Concerns

Nickel represents the most common metal allergen, affecting 10-15% of women and 2-5% of men through jewelry and occupational exposure. Certain Nickel compounds also pose carcinogenic risks requiring comprehensive workplace controls.

Health Effects

Nickel allergy causes contact dermatitis from jewelry, clothing fasteners, and occupational exposure. Nickel carbonyl (Ni(CO)₄) represents an extremely

toxic gas that can cause pulmonary edema and death at low concentrations.
Nickel sulfides and oxides are classified as human carcinogens, primarily causing lung and nasal cancers in occupationally exposed workers.

Exposure Limits

  • OSHA PEL: 1 mg/m³ (8-hour TWA) for Nickel metal and soluble compounds
  • NIOSH REL: 0.015 mg/m³ (10-hour TWA) for Nickel and compounds
  • Nickel carbonyl: 0.001 ppm (8-hour TWA) - extremely
    toxic
  • Carcinogenic Nickel compounds: Minimize exposure through engineering controls

Safety Measures

Personal protective equipment, local exhaust ventilation, and medical surveillance prevent Nickel-related health effects.

Skin protection and hypoallergenic alternatives help prevent Nickel allergy development in sensitive individuals.

Knowledge Database

Essential information about Nickel (Ni)

Nickel is unique due to its atomic number of 28 and belongs to the Transition Metal category. With an atomic mass of 58.693400, it exhibits distinctive properties that make it valuable for various applications.

Nickel has several important physical properties:

Melting Point: 1728.00 K (1455°C)

Boiling Point: 3186.00 K (2913°C)

State at Room Temperature: solid

Atomic Radius: 124 pm

Nickel has various important applications in modern technology and industry:

Nickel: The Corrosion Fighter

Nickel transforms steel from rust-prone iron into corrosion-resistant alloys that build chemical plants, food processing equipment, and architectural marvels. This versatile metal enables both the smallest electronic components and the largest industrial infrastructure through its remarkable chemical stability.

Stainless Steel Enhancement

Austenitic stainless steels containing 8-12% Nickel provide superior corrosion resistance and formability compared to ferritic grades. Type 304 stainless steel (18% chromium, 8% Nickel) dominates food processing, pharmaceutical, and architectural applications. Duplex stainless steels use Nickel to balance ferrite and austenite phases, achieving exceptional strength and corrosion resistance for marine and chemical applications.

Superalloy Applications

Nickel-based superalloys like Inconel and Hastelloy maintain strength and oxidation resistance at temperatures exceeding 1000°C. These alloys enable jet engine hot sections, gas turbine components, and chemical processing equipment operating under extreme conditions. Single-crystal turbine blades cast from Nickel superalloys allow modern engines to achieve unprecedented efficiency and reliability.

Battery Technology

Nickel-metal hydride (NiMH) batteries power hybrid vehicles like the Toyota Prius, providing reliable energy storage with excellent cycle life. Lithium-ion batteries increasingly use Nickel-rich cathodes (NCM 811: 80% Nickel, 10% cobalt, 10% manganese) to improve energy density while reducing cobalt dependence in electric vehicle applications.

Electroplating and Coatings

Nickel electroplating provides corrosion protection and decorative finishes for automotive parts, plumbing fixtures, and electronic components. Electroless Nickel plating creates uniform coatings on complex geometries without electrical connections, essential for computer hard drives, aerospace components, and precision instrumentation.

1751

The Deceiving Copper Ore

Axel Fredrik Cronstedt (1722-1765), a Swedish mineralogist, discovered nickel in 1751 while attempting to extract copper from kupfernickel ore (now known as nickeline, NiAs). German miners had named this troublesome ore "kupfernickel" (meaning "Devil's copper") because it resembled copper ore but yielded no copper and produced toxic arsenic fumes when smelted.

Systematic Investigation

Cronstedt's careful analysis revealed that kupfernickel contained a previously unknown white metal with properties distinct from all known elements. His isolation techniques involved roasting the ore to remove arsenic, then reducing the resulting oxide with charcoal to produce metallic nickel.

Industrial Development

Commercial nickel production began in the 1860s with the development of New Caledonian laterite processing. The discovery of the Sudbury deposits in 1883 following railroad construction transformed nickel from laboratory curiosity to strategic industrial material, enabling stainless steel development and modern metallurgy.

Discovered by: <div class="discovery-content"> <h3>The Deceiving Copper Ore</h3> <p><strong>Axel Fredrik Cronstedt</strong> (1722-1765), a Swedish mineralogist, discovered nickel in 1751 while attempting to extract copper from kupfernickel ore (now known as nickeline, NiAs). German miners had named this troublesome ore "kupfernickel" (meaning "Devil's copper") because it resembled copper ore but yielded no copper and produced toxic arsenic fumes when smelted.</p> <h4>Systematic Investigation</h4> <p>Cronstedt's careful analysis revealed that kupfernickel contained a previously unknown white metal with properties distinct from all known elements. His isolation techniques involved roasting the ore to remove arsenic, then reducing the resulting oxide with charcoal to produce metallic nickel.</p> <h4>Industrial Development</h4> <p>Commercial nickel production began in the 1860s with the development of <strong>New Caledonian laterite processing</strong>. The discovery of the Sudbury deposits in 1883 following railroad construction transformed nickel from laboratory curiosity to strategic industrial material, enabling stainless steel development and modern metallurgy.</p> </div>

Year of Discovery: 1751

Nickel: From Meteorites to Earth

Nickel forms primarily through neutron capture processes during stellar nucleosynthesis and represents one of the most abundant elements in iron meteorites. Earth's core contains significant Nickel concentrations, while crustal Nickel derives from both primordial accumulation and later meteoritic bombardment.

Terrestrial Distribution

Earth's crust contains approximately 90 parts per million Nickel, though this vastly underrepresents Nickel's true planetary abundance due to its concentration in the iron-Nickel core. Surface Nickel occurs primarily in laterite deposits formed through tropical weathering and sulfide deposits associated with mafic and ultramafic igneous rocks.

Major Nickel Deposits

Sudbury Basin in Ontario, Canada, formed by meteorite impact 1.85 billion years ago, contains world-class Nickel-copper-platinum group element deposits. The impact melted existing rocks and concentrated metals from both terrestrial sources and the impacting meteorite. Norilsk-Talnakh in Russia represents another major sulfide deposit associated with large igneous province formation.

Laterite Resources

Tropical laterite deposits in New Caledonia, Philippines, and Indonesia form through intense chemical weathering of ultramafic rocks under hot, humid conditions. These deposits typically contain 1-3% Nickel in oxide and silicate minerals, requiring specialized pyrometallurgical or hydrometallurgical processing techniques.

Ocean Floor Potential

Seafloor massive sulfides and manganese nodules represent emerging Nickel resources as terrestrial deposits become depleted. Deep-sea mining technology development focuses on these resources, though environmental and technical challenges remain significant.

General Safety: Nickel should be handled with standard laboratory safety precautions including protective equipment and proper ventilation.

Nickel Safety: Allergy and Carcinogen Concerns

Nickel represents the most common metal allergen, affecting 10-15% of women and 2-5% of men through jewelry and occupational exposure. Certain Nickel compounds also pose carcinogenic risks requiring comprehensive workplace controls.

Health Effects

Nickel allergy causes contact dermatitis from jewelry, clothing fasteners, and occupational exposure. Nickel carbonyl (Ni(CO)₄) represents an extremely

toxic gas that can cause pulmonary edema and death at low concentrations.
Nickel sulfides and oxides are classified as human carcinogens, primarily causing lung and nasal cancers in occupationally exposed workers.

Exposure Limits

  • OSHA PEL: 1 mg/m³ (8-hour TWA) for Nickel metal and soluble compounds
  • NIOSH REL: 0.015 mg/m³ (10-hour TWA) for Nickel and compounds
  • Nickel carbonyl: 0.001 ppm (8-hour TWA) - extremely
    toxic
  • Carcinogenic Nickel compounds: Minimize exposure through engineering controls

Safety Measures

Personal protective equipment, local exhaust ventilation, and medical surveillance prevent Nickel-related health effects.

Skin protection and hypoallergenic alternatives help prevent Nickel allergy development in sensitive individuals.

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