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Ga
Gallium

History


The existence of this metal had been predicted by D. Mendeleyev, and the opening belongs to of the French scientist Paul Emile Leckok de Buabodran. Only through scrupulousness this brilliant scientist and his knowledge of the spectral analysis a discovery was made. The element was named in honor of France, Gaul it is ancient name. Mineral formed by gallium was found in 1956.


Nowadays


Gallium has a unique property located in a liquid state at a temperature at 30 to 2230 degrees Celsius. In this regard, it is used in the manufacture of thermometers. And now the most common up to 1200 degrees. It is used in signaling devices composed of indium. This alloy melts at a temperature of 16 degrees and is the most l fusible alloys. Adding gallium in the glass it can be obtained from the high refrangibility, but if you add gallium oxide, the glass is good passes infrared light. Even aware of the use of gallium in dentistry, where it is used stamps.

Date ASIA EUROPE USA
26/12/2009 439.37 439.37 439.37
19/12/2009 439.37 439.37 439.37
12/12/2009 439.39 439.39 439.39
05/12/2009 468.73 468.73 468.73
28/11/2009 475.29 475.29 475.29
21/11/2009 468.67 468.67 468.67
14/11/2009 475.15 475.15 475.15
07/11/2009 482.65 482.65 482.65
31/10/2009 470.93 470.93 470.93
24/10/2009 480.3 480.3 480.3
17/10/2009 468.74 468.74 468.74
10/10/2009 468.82 468.82 468.82
02/10/2009 468.77 468.77 468.77
25/09/2009 468.71 468.71 468.71
18/09/2009 469.29 469.29 469.29
12/09/2009 468.59 468.59 468.59
05/09/2009 470.93 470.93 470.93
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