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Gallium (Ga) Metal

Solid gallium is a blue-gray metal with orthorhombic crystalline structure; very pure gallium has a stunning silvery color. Gallium is solid at normal room temperatures, but as well as mercury, cesium, and rubidium it becomes liquid when heated slightly. Solid gallium is soft enough to be cut with a knife. It is stable in air and water; but it reacts with and dissolves in acids and alkalis.   Ultra-pure gallium has a beautiful, silvery appearance, and the solid metal exhibits a conchoidal fracture similar to glass. The metal expands on solidifying; therefore, it should not be stored in glass or metal containers, as they may break as the metal solidifies. 
Analog integrated circuits are the most common application for gallium, with optoelectronic devices (mostly laser diodes and light-emitting diodes) as the second largest end use. Gallium has semiconductor properties, especially as gallium arsendite (GaAs). This can convert electricity to light and is used in light emitting diodes (LEDs) for electronic display and watches.Liquid gallium wets porcelain and glass surfaces; it forms a bright, highly reflective surface when coated on glass. It can be used to create brilliant mirrors. Gallium easily alloys with most metals, so it is used to form low-melting alloys.It is the only metal, except for mercury, caesium, and rubidium, which can be liquid near room temperatures; this makes possible its use in high-temperature thermometers. It has one of the longest liquid ranges of any metal and has a low vapour pressure even at high temperatures.

Basic Information

Name: Gallium
Symbol: Ga
Atomic Number: 31
Atomic Mass: 69.723 amu
Melting Point: 29.78 °C (302.93 °K, 85.604004 °F)
Boiling Point: 2403.0 °C (2676.15 °K,4357.4 °F)
Number of Protons/Electrons: 31
Number of Neutrons: 39
Classification: Other Metals
Crystal Structure: Orthorhombic
Density @ 293 K: 5.907 g/cm3

High Pure Gallium  Metal   (Ga)


99.999%         (Ag,Al,Ca,Cu,Fe,Mg,Ni,Pb,Sn,Zn,Si,Hg,In total<10ppm)

99.9999%       (Ag,Al,Cu,Fe,Mg,Ni,Pb,Sn,Zn,Mn,Cr,Si total<10ppm)

99.99999%     (Ag,Al,Cu,Fe,Mg,Pb,Sn,Zn,Mn,Si total<10ppm)

Shape---  Silver white at liquid state, blue white at solid state, no oxid on surface.

Application --- Primarily used in the manufacturing of III-V compound semiconductors (GaAs, GaN, GaP...) High purity alloys , the thermal carrier in atomic reacotor and also used as the dopant of monocrystalline silicon and germanium , etc.




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