| Origin of Name |
From the provinces along the Rhine
River in Germany |
| Date and Place of Discovery |
In 1925 in Germany |
| Discovered by |
Ida
Tacke-Noddack,
Walter Noddack and Otto Carl Berg |
| Common Compounds |
|
| Interesting facts |
- It has the third highest melting point with tungsten and
carbon being higher.
- Only platinum, iridium and osmium
are more dense.
- It resembles manganese in chemical properties.
- It is produced during the refinement of molybdenum.
- When alloyed with molybdenum, the material is very conductive.
|
| Common Uses |
- Catalysts in the production of high octane gasoline
- Catalysts used in hydrogenation
reactions
- Jet engine parts
- Filaments in spectrographs
and ion gauges
- Electrical contact material
- Thermocouples
- Photography
|
