Synonym. - Plumbum Carbonicum.

Present name. - Plumbic Carbonate. PbCo3.

Prepared by mixing dilute solutions of pure Acetate of Lead and Carbonate of Soda, collecting and washing the precipitate with distilled water.

Characters and Tests. - A soft heavy white powder, blackened by Sulphuretted Hydrogen, insoluble in water, soluble with effervescence in diluted Acetic Acid without leaving any residue, and forming a solution which is precipitated white by Sulphuric Acid, and yellow by Iodide of Potassium. The acetic solution, when treated with excess of Sulphuretted Hydrogen, boiled and filtered, gives no precipitate with Oxalate of Ammonia.

Preparation. - Trituration.