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Mg
Magnesium

History

In 1695 H. Gros, evaporating water from the source Epsom, discovered salt. With the impact of soda or potash, it formed a white salt  very similar to the one that were getting near the town of Magnesite. She was called white magnesia. In 1808 when Humphrey Davy electrolysis slightly moist white magnesium oxide with mercury was amalgam new metal, which was soon out of isolated and identified magnesium, contained in up to 3%. Since then, purer magnesium was received by A. BUSSY, German researcher, in 1829.

Nowadays

Magnesium is one of the most stable light metals in the air. Due to this, as well as the fact that it is widely distributed in nature and relatively inexpensive, magnesium is often used as a structural material in aircraft and other industries where  first of all important low-weight structural materials. Magnesium uses alloys with aluminum, zinc, manganese, beryllium, titanium, rare-earth elements. The addition of small amounts of magnesium metal drastically alters its mechanical properties: magnesium alloys are light, strong, durable, resistant to corrosion. Lightweight magnesium alloys used as construction material for the various parts of the aircraft, as well as rail and road transport. Details from the magnesium alloy from casting under pressure, used in the manufacture of optical and precision instruments. Magnesium powder in the chemical industry is used for dehydration of organic matter and for the synthesis of complex organic substances. Magnesium is also used as an oxidizer in the production of steel and non-ferrous casting, as a material for anodes in the cathode protection against corrosion of steel products and designs.

Date ASIA EUROPE USA
26/12/2009 2475.09 2475.09 2475.09
19/12/2009 2475.1 2475.1 2475.1
12/12/2009 2460.6 2460.6 2460.6
05/12/2009 2446.18 2446.18 2446.18
21/11/2009 2445.88 2445.88 2445.88
14/11/2009 2539.1 2539.1 2539.1
07/11/2009 2579.16 2579.16 2579.16
31/10/2009 2516.56 2516.56 2516.56
24/10/2009 2566.64 2566.64 2566.64
17/10/2009 2416.94 2416.94 2416.94
10/10/2009 2417.36 2417.36 2417.36
02/10/2009 2431.76 2431.76 2431.76
25/09/2009 2431.45 2431.45 2431.45
18/09/2009 2507.8 2507.8 2507.8
12/09/2009 2504.04 2504.04 2504.04
05/09/2009 2516.56 2516.56 2516.56
28/08/2009 25614.75 25614.75 25614.75
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