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Tantalum

History
 
Metal was established in 1803 a Swedish chemist AG Ekebergom. Researcher long muchilsya over the allocation in its pure form, and therefore named it in honor of the Greek myths about the character tantalite. In 1844 German chemist Heinrich Rose proved that tantalum separate element. In 1903 German chemist von Bolton got the metal tantalum.

Nowadays

Due to its chemical properties, tantalum metal has become indispensable in many branches of human activity. A large number of tantalum is used for alloying steel. Part goes to the medical and chemical equipment. Tantalum alloys have shown great strides in the aerospace industry. Metal used in instrument-making industry, where the properties of tantalum are needed, as getter.

Date ASIA EUROPE USA
26/12/2009 400-530 400-530 400-530
19/12/2009 400-530 400-530 400-530
12/12/2009 400-530 400-530 400-530
05/12/2009 400-530 400-530 400-530
28/11/2009 400-530 400-530 400-530
21/11/2009 400-530 400-530 400-530
14/11/2009 400-530 400-530 400-530
07/11/2009 400-530 400-530 400-530
31/10/2009 400-530 400-530 400-530
24/10/2009 400-530 400-530 400-530
17/10/2009 400-530 400-530 400-530
10/10/2009 400-530 400-530 400-530
02/10/2009 400-530 400-530 400-530
25/09/2009 400-530 400-530 400-530
18/09/2009 400-530 400-530 400-530
12/09/2009 400-530 400-530 400-530
05/09/2009 400-530 400-530 400-530
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