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Physical Properties:
Appearance: Silvery lustrous gray Melting Point: 630.63 °C (1167.13 °F) Boiling Point: 1635 °C (2975 °F) Density: 6.694 g/cm³ (at 20°C) Heat of Fusion: 19.79 kJ/mol Heat of Vaporization: 193.43 kJ/mol Molar Heat Capacity: 25.23 J/(mol·K)
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Chemical Properties:
Oxidation States: −3, −2, −1, 0, +1, +2, +3, +4, +5 Electronegativity: 2.05 (Pauling scale) Ionization Energies: o First: 834 kJ/mol o Second: 1594.9 kJ/mol o oThird: 2440 kJ/mol
Antimony (Sb)
Antimony is a lustrous metallic element with the symbol Sb and atomic number 51. It is mainly found as the sulphide mineral stibnite (Sb₂S₃).
Did You Know? The name “antimony” comes from the Greek word “anti-monos,” meaning “not alone.”
Purity and Supply:
Our antimony ore ranges from 30-54% purity.
We are able to supply any quantity needed.
Common Applications:
AlloysUsed with lead and tin for solders, bullets, and bearings. These alloys improve hardness and mechanical strength.
Lead-Acid Batteries:Enhances rigidity and reduces corrosion of lead-alloy plates, improving battery life and performance.
Solar Technology:Antimony selenosulfide is used in solar cells, achieving an efficiency of 10.7%. This material offers promising optoelectronic properties for photovoltaic applications.
Other Uses:Employed in flame retardants to reduce flammability, in paints for pigmentation, in semiconductors for electronic devices, and as an alloy in solder for joining metal parts.
Associated Minerals:
Besides stibnite, antimony is often found with minerals like arsenic, sulfur, and bismuth.
Purity:
Our antimony is free from impurities such as:
Lead: Used with lead and tin for solders, bullets, and bearings. These alloys improve hardness and mechanical strength.Sulfur: Forms sulfides with antimony, complicating purification.
Oxides: Affect the color, corrosion resistance, and alloying behavior of antimony.
Carbonates: Release toxic gases when combined with antimony.
Silicates: Alter the alloying behavior of antimony.
