Lead Oxide Yellow (Litharge)
Description
It is also known as Lead Monoxide PbO, a crystalline produuct with predominantly orthorhombic structure. It is commercially available as a canary yellow to reddish yellow powder. In humid storage condition a layer of white Lead Carbonate is formed on the surface due to contact with carbon dioxide from the atmosphere, wet litharge tends to get lumpy but disintegrates easily when dried again. It is used as a stabiliser for PVC, linoleum, insecticides, medicines. Litharge-glycorine cement is also used for acid resisting purposes and for cementing glass and porcelin to metal.
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White Lead
Description
White lead is also known as Basic Lead Carbonate 2PbCO3. PB(OH)2 Its high available lead content and low cost makes it the most cost effective especially at temperatures around 160'C, general purpose stabiliser for pigmented and flexible PVC. It is one of the oldest and best known white pigment used for the manufacture of high quality, decorative and artists paints. It is also used in the manufacture of lead chromes.
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