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Lead Carbonate

Alternate Names: White lead

Oxide Analysis Formula
PbO 86.51% 1.00
CO213.49%
Oxide Weight 223.20
Formula Weight 258.00

Notes

Lead carbonate is made industrially from lead(II) acetate and carbon dioxide and occurs naturally as the mineral Cerussite.

Related Information

Links

Materials Lead Bisilicate Frit
Materials Litharge
Hazards Lead in Frits: The Hazards
Hazards Lead Toxicology
Hazards Lead in Ceramic Glazes: What Did We Learn?
The long slow death of lead use in ceramics taught us some lessons. Manufacturers who still use acid tests to determine glaze toxicity risk liability.
Typecodes Generic Material
Generic materials are those with no brand name. Normally they are theoretical, the chemistry portrays what a specimen would be if it had no contamination. Generic materials are helpful in educational situations where students need to study material theory (later they graduate to dealing with real world materials). They are also helpful where the chemistry of an actual material is not known. Often the accuracy of calculations is sufficient using generic materials.
Typecodes Flux Source
Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.
Oxides PbO - Lead Oxide
Minerals Cerussite
Minerals Galena
URLs http://en.wikipedia.org/wiki/White_lead
White lead at Wikipedia

Data

Frit Softening Point500C D
Density (Specific Gravity)9.10

By Tony Hansen


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