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1. Summary of materials
Platinum
is a precious metal with atomic number 78. The pure metal of platinum
is silver. Platinum is very stable in chemical properties, insoluble in
strong acids and bases, and does not oxidize in air. Platinum has good
ductility. It can be drawn into very fine platinum wire and rolled into
very thin platinum foil.
is a precious metal with atomic number 78. The pure metal of platinum
is silver. Platinum is very stable in chemical properties, insoluble in
strong acids and bases, and does not oxidize in air. Platinum has good
ductility. It can be drawn into very fine platinum wire and rolled into
very thin platinum foil.
2. Material properties
Atomic number: 78
Atomic mass: 195.08
Melting point: 1768.3 degrees C
Boiling point: 3825 degrees C
Density: 21.45 g/cm 3
Crystal structure: face-centered cubic
Young's modulus: 168 GPa
Shear modulus: 61GPa
Mohr hardness: 3.5
Linear thermal expansion coefficient: 8.8 0
Thermal conductivity: 71.6 W/(m.K)
Resistivity: 105 n_. M
3. Application of Materials
1. For the oxidation of ammonia to nitric acid
2.
Used for jewelry, wires, laboratory containers, thermocouples,
corrosion-resistant equipment, dental materials, etc. Platinum powder
can be used as catalyst.
Used for jewelry, wires, laboratory containers, thermocouples,
corrosion-resistant equipment, dental materials, etc. Platinum powder
can be used as catalyst.
3. Electrical instrumentation, chemical industry and the manufacture of precision alloys.
4. Used for manufacturing precision alloys
5. Used as catalyst, oxidant and gas absorbent
6.
Used in laboratories of chemical industry, pharmacy, cement, scientific
research institutes, as high temperature test carrier. Used in
experiments above 1400 degrees. It has the characteristics of high
temperature resistance and long service life.
Used in laboratories of chemical industry, pharmacy, cement, scientific
research institutes, as high temperature test carrier. Used in
experiments above 1400 degrees. It has the characteristics of high
temperature resistance and long service life.
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