Gallium physical and mechanical properties. Application.
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Technical specifications
This element was discovered by the French chemist Paul E. Lecoq de Boisboedran in 1875 in Paris. It is one of the few metals that remains liquid at room temperature. It has an unusual property: it freezes when it freezes. In solid form, this is a brittle metal, its electrical conductivity is lower than that of lead.
| Chemical symbol | Ga |
| Specific gravity | 5.91 g / cm³ |
| Melting temperature | 29.8 ° C |
| Boiling temperature | 2477 ° K |
| Atomic mass | 69,723 |
| Specific heat of fusion | 5.59 kJ / mol |
| Degree of oxidation | 3 |
Application
Production of low-melting solders and alloys, replacement of toxic mercury as liquid closures of vacuum devices and diffusion solutions, and also as a lubricant when connecting quartz, glass and ceramic parts. Gallium arsenide is used in the manufacture of semiconductors mainly for laser diodes, light-emitting diodes and solar panels. It is also used to create shiny mirrors.
Storage
In closed warehouses or under a canopy, where adequate protection against mechanical and other damages is provided.
Delivery, price
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