Lead Sulfate, Basic

Name:
Lead Sulfate, Basic
Detailed information:

Chemistry name:	white lead, sublimed; white lead sulfate
M Formula:	Approximate formula PbSO4•PbO
Properties:
White, monoclinic crystals. D 6.92, mp 977C. Slightly soluble in hot water or acids. Noncombustible.
Grade:
Vary from 72–85% lead sulfate and remainder lead oxide. Sold dry or ground in oil.
Derivation:
Three methods are used: (1) lead sulfide ore (galena) is subjected to high temperatures in an oxidizing atmosphere; (2) molten lead is sprayed into a jet of ignited fuel gas and air in the presence of sulfur dioxide gas; (3) atomized metallic lead is mixed with water, and sulfuric acid is added under controlled conditions.
Hazard:
Toxic material. TLV: 0.15 mg(Pb)/m3.
Use:
Paints, ceramics, pigments.