Nickel Spheres (Ni, Purity: 99.9%, Dia: 1.0mm, Spherical: 5.08µm)

Nickel Spheres

Product Nickel Spheres (Ni, Purity: 99.9%, Dia: 1.0mm, Spherical: 5.08µm)

Quality Control: Each lot of Nickel Spheres was tested successfully.

Product Nickel Spheres
Stock No. NS6130-12-000079
CAS 7440-02-0 Confirm
Purity 99.9% Confirm
Diameter 1.0mm Confirm
Spherical 5.08µm Confirm
Molecular Formula Ni Confirm
Molecular Weight 58.69 g/mol Confirm
Color Silvery Confirm
Form Sphere Confirm
Density 8.902 g/cm³ Confirm
Boiling Point 2732 °C Confirm
Melting Point 1453 °C Confirm
Resistivity 6.97 μΩ-cm, 20°C Confirm
Thermal Expansion 13.4 µm·m-1·K-1 (25 °C) Confirm
Thermal Conductivity 90.9 W·m-1·K-1 Confirm
Young’s Modulus 200 GPa Confirm
Vickers Hardness 638 MPa Confirm
Electrical Resistivity 69.3 nΩ·m (20 °C) Confirm
Electronegativity 1.91 Paulings Confirm
Specific Heat 0.44 kJ/kg·K Confirm
Heat of Vaporization 377.5 kJ·mol-1 Confirm
Heat of Fusion 17.48 kJ·mol-1 Confirm
Main Inspect Verifier Manager QC

Typical Chemical Analysis

Oxygen 30 ppm
Carbon 30 ppm
Iron 80 ppm
Sulfur 30 ppm
All Other Metal <50ppm

Experts Review:

58496396Dr. Bruce Perrault, Ph.D (Georgia Institute of Technology (Georgia Tech), USA)
Pure native nickel is found in Earth’s crust only in tiny amounts, usually in ultramafic rocks. Nickel nanoparticles are transition metal particles and come in the size range of 10 – 40 nm (approx.). It is a black silvery lustrous metal powder which is hard and ductile in nature. Nickel nanoparticles can be alloyed by tungsten, molybdenum, chromium, iron and with other metals to form corrosion resistant alloys.


1252525Dr. Myron Rubenstein, Ph.D (Polytechnic University of Turin, Italy)
Nickel (Ni) Nanoparticles or nanopowder are black spherical high surface area particles. Nanoscale Nickel Particles are typically 10 – 40 nanometers (nm) with specific surface area (SSA) in the 30 – 50 m2/g range. A lot of different methods of synthesis of metal nanoparticles are known, namely, physical (sputtering or mechanical dispersion of bulk substances), chemical (reduction of metal ions in solutions under conditions favorable for the formation of small metal particles). Nickel nanoparticles are mostly synthesized by chemical reduction method.


2536582Dr. Huojin Chan (University of Science and Technology of China, Hefei, Anhui, China)
Due to the enhanced optical properties of Nickel Nanoparticles, Quantum effect can be seen in these particles. They are electrically ­­conductive and hence can be used for several applications. Nickel nanoparticles are also available as ultra high purity, passivated and dispersed forms. Metal nanoparticles of nickel, iron and cobalt are relatively difficult to synthesis because they easily get oxidized. Among them, nickel is the most stable particle. Nickel nanoparticles have important applications in catalysis and magnetic materials.


10604509_1459864657612760_2405225879143508610_oDr. Ms. Yi Yen Shi, (King Mongkut’s University of Technology Thonburi,Bangkok, Thailand)
In the recent years, considerable attention has been devoted to the development of uniform nanometer-sized nickel nanoparticles because of their unique properties and potential applications in a variety of fields including electronics, magnetism, energy technology, or biomedicine. In comparison with the noble metals, nickel nanoparticles have been much less studied in catalysis, although they have found a particular application in the growth of carbon nanotubes as well as in a variety of organic reactions. The synthesis of nickel nanoparticles in the zero valence state is not trivial since they readily undergo oxidation, consequently affecting their catalytic performance.


125448Dr. Hans Roelofs Ph.D (National Technical University of Athens, Greece)
The ultrafine and nanometer nickel powders have attracted a great deal of attention over past decades due to their specific properties such as magnetism, thermal resistance, chemical activity, high surface volume area, better reactivity, enhanced hardness, semiconductor conduction, and high chemical activity having a wide range of applications including batteries, hard alloy, catalyst, electricity etc. Nickel nanoparticles have some unexpected properties like its large surface and high activity; due to these properties nickel nanoparticles are used as efficient catalysts for chemical reactions such as hydrogenation and treatment of exhaust to reduce harmful chemicals. Also nickel nanoparticles are used as solid (rocket fuel) propellant which increases combustion heat, combustion efficiency and combustion stability.


Nickel Spheres

Nickel Spheres

 


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