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Gallium is the 31st element in the periodic system D. I. Mendeleev, where indicated by the symbol Ga. It is ductile and malleable silvery metal with a bluish tint. Named Paul Epilim by Lecoq de Boardroom in honor of his homeland — Gaul. Alloys of this metal as rolled sheet and long products. The price for 1 kg gallium of more than 1400 dollars.
The chemical activity of solid gallium is similar to aluminum. From oxidation both of the metal protected by the surface oxide film. But gallium is more active chemical element. It reacts with hot water and superheated steam forms a hydroxide. Gallium actively interacts with mineral acids at temperatures below room with the formation of salts and releasing hydrogen. This metal does not react with nitrogen, hydrogen, carbon, silicon and bromine.
Gallium can have a number of polymorphic modifications, but they are not stable in ordinary conditions. The proportion of gallium under normal conditions of 5.9 g/cm3. Liquid gallium is more heavy, almost has a density of 6.1 g/cm3. That is, during solidification, the volume of gallium, as ice increases. Melting point of 29.8°C, t° boiling point = 2230 °C. That is, the gallium is in liquid state within wide temperature range — more than 2200 °C. It also has minimum vapour pressure at 1100−1200°C. In the solid and liquid specific electrical resistivity of not changing.
Gallium is not only a great lubricant, based on it is also created by metal clay. Despite the wide temperature interval in which the gallium is in a liquid state, use it as coolant, is not justified. He is very aggressive to most metals and alloys. Gallium arsenide is a promising semiconductor. With his help create LEDs and lasers for blue and UV range.
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Our site offers a wide range of products from rare and non-ferrous metals. High quality of products and lack of intermediaries determine the most favorable conditions for the acquisition of semi-finished products on the basis of gallium for solving current production problems. Delivery in the shortest possible time in any region of the country and abroad, compliance with regulatory documentation already gained the trust of regular customers. Thanks to an acceptable cost and unique properties, semi-finished products based on gallium enjoyed continued popularity in the modern industry.