Haines & Maassen Metallhandelsgesellschaft mbH



Sm

Samarium

Melting Point

1072° Celsius samarium

Specific weight

7.54 g/cm3

Abundance of Element

6*10-4

Colour

silvery white

Atomic number

62

Boiling point

1803° Celsius

Purities available

Sm2O3 99%

Forms available

Powder

Packing

0.5 kg - 50 kg units
1000 kg big bag

Buying samarium

If you would like to buy samarium oxide or find out our current samarium oxide price please click here for our contact information. We would also appreciate your call at +49 228 946510.

 

Samarium: Use

Samarium is mainly used in samarium cobalt-magnets. These have a very high permanent magnetisation, about 10000 times higher than that of iron and only exceeded by neodymium magnets. They have a higher resistance to demagnetisation and work reliably even at temperatures around 700 °C. These magnets are used in motors, headphones or musical instruments. A further application for samarium and its compounds is a certain type of catalyst required for the decomposition of plastics.

 

Samarium: History and occurrence

There are various interpretions regarding the discovery of samarium. In one version the Swiss chemist Jean Charles Galissard de Marignac is reported to have detected samarium spectroscopically by a sharp absorption line in didymium oxide in 1853. In 1879 the French chemist Paul Emile Lecoq de Boisbaudran isolated the element from the mineral samarskite. The name of the element and of the mineral samarskite is based on that of the Russian mining inspector who discovered the mineral.

In the second version the Swiss chemist Marc Delafontaine is reported to have discovered samarium, which he first announced as decipium, in didymium oxide in 1878. In 1881 Delafontaine demonstrated that his isolated element must contain another second element. In the year 1903 the German chemist Wilhelm Muthmann produced metallic samarium by electrolysis. Pure samarium does not occur in nature. It is contained in minerals like monazite, bastnäsite or samarskite. It is mainly extracted from monazite or bastnäsite. The biggest samarium deposits can be found in China, the USA, Brazil, India, Sri Lanka and Australia.

For 2009 the USGS estimated a global output of rare earths of about 124000 tons.