Last modified on 25 March 2008, at 05:18

Rhenium

This is an old revision of this page, as edited by Welshman (Talk | contribs) at 05:18, 25 March 2008. It may differ significantly from current revision.

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Rhenium
Properties
Atomic symbol Re
Atomic number 75
Classification Transition Metals
Atomic mass 186.207 amu
Other Information
Date of discovery 1925
Name of discoverer Walter Noddack, Ida Tacke, and Otto Berg
Name origin From the Greek name for the Rhine River, Rhenus.
Uses It is added to tungsten and molybdenum alloys. Also used in refractory metal components of missiles, electronic filaments, electrical contacts, high-temperature thermocouplers, oven filaments, electrodes, igniters for flash bulbs, jewelry, plating of metals by electrolysis and vapor-phase deposition.
Obtained from Found in small amounts in gadolinite and molybdenite; usually extracted from the flue dusts of molybdenum smelters.


References