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Lead carbonate

Lead(II) carbonate is the chemical compound with the chemical formula PbCO3. It is a white, toxic solid. It occurs naturally as the mineral cerussite.

Structure
Like all metal carbonates, lead(II) carbonate adopts a dense, highly crosslinked structure consisting of intact and metal cation sites. As verified by X-ray crystallography, the Pb(II) centers are seven-coordinate, being surrounded by multiple carbonate ligands. The carbonate centers are bonded bidentate to a single Pb and bridge to five other Pb sites. carbonate ligand for each Pb center. ==Production and use==
Production and use
Lead carbonate is manufactured by passing carbon dioxide into a cold dilute solution of lead(II) acetate, or by shaking a suspension of a lead salt more soluble than the carbonate with ammonium carbonate at a low temperature to avoid formation of basic lead carbonate. : Lead carbonate is used as a catalyst to polymerize formaldehyde to poly(oxymethylene). It improves the bonding of chloroprene to wire. ==Regulations==
Regulations
The supply and use of this compound is restricted in Europe. ==Other lead carbonates==
Other lead carbonates
A number of lead carbonates are known: • White lead, a basic lead carbonate, • Shannonite, • Plumbonacrite, • • Abellaite, • Leadhillite, ==References==
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