View source for Freeman's white lead

== Description ==

A composite white pigment patented by Joseph Freeman in 1882 in England. Freeman's white lead was originally described as a mixture of [[lead sulfate]] and [[zinc white]] ground under high pressure. In a later patent for an improved white pigment, Freeman added [[barium sulfate]] to the mixture.

== Synonyms and Related Terms ==

permanent white lead; leaded zinc oxide; leaded zinc white

== Additional Information ==

M-C. Corbeil, P.J. Sirois, E.A. Moffatt, "The use of a white pigment patented by Freeman by Tom Thomson and the Group of Seven" preprints ICOM, Lyons, 1999. p369.

== Authority ==

* M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934

* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985



[[Category:Materials database]]