Lead oxide

Lead oxide

Lead oxide may refer to:

Less common lead oxides are:

  • Lead(II,IV) oxide, Pb2O3, lead sesquioxide
  • Pb12O19 (monoclinic, dark-brown or black crystals)
  • The so-called black lead oxide, which is a mixture of PbO and fine-powdered metal Pb and used in the production of lead acid batteries.

The sequence of the thermal transformation between the oxides in air (starting from PbO2) is as follows:

PbO_2 stackrel{rm 293 ,^{circ}mathrm{C}} {longrightarrow} Pb_{12} O_{19} stackrel{rm 351 ,^{circ}mathrm{C}} {longrightarrow} Pb_{12} O_{17} stackrel{rm 374 ,^{circ}mathrm{C}} {longrightarrow} Pb_3 O_4 stackrel{rm 605 ,^{circ}mathrm{C}} {longrightarrow} PbO


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