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7440-04-02
Os
7600ST
99.9%
2 inch dia x 0.25 inch th.
231-114-0
Characteristic
Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally occurring element, with an experimentally measured (using x-ray crystallography) density of 22.59 g/cm3.
Phase at STP： solid
Melting point： 3306 K (3033 °C, 5491 °F)
Boiling point： 5285 K (5012 °C, 9054 °F)
Density (near r.t.)： 22.59 g/cm3
when liquid (at m.p.)： 20 g/cm3
Heat of fusion： 31 kJ/mol
Heat of vaporization： 378 kJ/mol
Molar heat capacity： 24.7 J/(mol·K)
Application
Manufacturers use its alloys with platinum, iridium, and other platinum-group metals to make fountain pen nib tipping, electrical contacts, and in other applications that require extreme durability and hardness.
Characteristic
Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally occurring element, with an experimentally measured (using x-ray crystallography) density of 22.59 g/cm3.
Phase at STP： solid
Melting point： 3306 K (3033 °C, 5491 °F)
Boiling point： 5285 K (5012 °C, 9054 °F)
Density (near r.t.)： 22.59 g/cm3
when liquid (at m.p.)： 20 g/cm3
Heat of fusion： 31 kJ/mol
Heat of vaporization： 378 kJ/mol
Molar heat capacity： 24.7 J/(mol·K)
Application
Manufacturers use its alloys with platinum, iridium, and other platinum-group metals to make fountain pen nib tipping, electrical contacts, and in other applications that require extreme durability and hardness.
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