As on 08.44PM IST | 11 Dec, 2019  MCX Lead Price : ₹ 154.00 /KGS
Data valid for 10 December 2019  LME Lead Price : US$ 1893.00 /t
As on 08.44PM IST | 11 Dec, 2019 MCX Lead Price : ₹ 154.00 /KGS
Data valid for 10 December 2019 LME Lead Price : US$ 1893.00 /t
 

LEAD


Lead is a chemical element with the symbol Pb and atomic number 82. It is a heavy metal that is denser than most common materials. It is soft and malleable, and also has a relatively low melting point. When freshly cut, lead is silvery with a hint of blue; it tarnishes to a dull gray color when exposed to air.

Lead is a relatively nonreactive post-transition metal. Its weak metallic character is illustrated by its amphoteric nature; lead and lead oxides react with acids and bases, and it tends to form covalent bonds. Compounds of lead are usually found in the +2 oxidation state rather than the +4 state common with lighter members of the carbon group.

Lead is easily extracted from its ores. Galena, a principal ore of lead, often bears silver, interest in which helped initiate widespread extraction and use of lead in ancient Rome. Lead production declined after the fall of Rome and did not reach comparable levels until the Industrial Revolution.

In year 2014, the annual global production of lead was about ten million tonnes, over half of which was from recycling. Lead's high density, low melting point, ductility and relative inertness to oxidation make it useful. These properties, combined with its relative abundance and low cost, resulted in its extensive use in construction, plumbing, batteries, bullets and shot, weights, solders, pewters, fusible alloys, white paints, leaded gasoline, and radiation shielding.


LEAD OXIDES

     

Lead oxides are a group of inorganic compounds with formulas including lead (Pb) and oxygen (O). Common lead oxides include:
  • Lead(II) Oxide, PbO, Litharge, Massicot.
  • Lead(II,IV) Oxide, Pb3O4, minium, red lead.
  • Lead Dioxide (Lead(IV) Oxide), PbO2
 

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