ASTM D 85 - 05 Standard Specification for Ochre Pigment

American Society for Testing and Materials (ASTM). Current edition approved Sept. 1, 2005. Published September 2005. Originally approved in 1921. Last previous edition approved in 1999 as D 85 – 87 (1999). 2 p. This specification covers ferrous earthy pigment included under the general term ochre. The pigment may be purchased in the dry form.