Prepd by treating lead carbonate or hydroxide with hydrogen fluoride and evaporating the soln; by mixing solns of potassium fluoride and lead acetate; by precipitation from the soln of a lead salt by HF; by the action of fluorine on lead: Ruff, Die Chemie des Fluors (Springer, Berlin, 1920) p 33; Emeléus in Fluorine Chemistry vol. 1, J. H. Simons, Ed. (Academic Press, New York, 1950) p 51; Kwasnik in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 1963) pp 218-219. Review: Kemmitt, Sharp, Adv. Fluorine Chem. 4, 188 (1965).