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Antimony (Sb)
Essay written by ethan

Appearance
Metallic antimony is an extremely brittle metal of a flaky, crystalline texture. It is bluish white and has a metallic lustre. It is not acted on by air at room temperature, but burns brilliantly when heated with the formation of white fumes. It is a poor conductor of heat and electricity. Antimony and its compounds are toxic. It is found mostly with other minerals and in stibnite. In crystal form, Antimony is a yellow crystal.

Hazards

  • Antimony can affect you when breathed in and by passing through your skin.
  • Exposure can irritate the eyes, nose, throat and skin. Very high levels could cause Antimony poisoning, with symptoms of nausea, headaches, abdominal pain, trouble breathing and death.
  • Repeated exposure can cause an abnormal chest x-ray to develop and can also damage the heart and liver. o Prolonged or repeated contact can cause skin, nose and mouth ulcers or sores. o If used near acid, a deadly gas can be formed.

    Antimony is used in:
  • Semiconductor technology for making infrared detectors, diodes, and Hall-effect devices.
  • In alloys with percentages ranging from 1 to 20 - greatly increases the hardness and mechanical strength of lead
  • Batteries, antifriction alloys, type metal, small arms and tracer bullets, cable sheathing, and minor products use about half the metal produced
  • Oxides, sulphides, sodium antimonate, and antimony trichloride are used in manufacturing flame-proofing compounds, paints, ceramic enamels, glass, and pottery.
  • Tartar emetic (hydrated potassium antimonyltartate) is used in medicine
  • Enamels, rubber compounds, matches and to make metal alloys

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