American Society for Testing and Materials (ASTM). Current edition approved May 1, 2005. Published June 2005. Originally approved in 1973. Last previous edition approved in 1999 as B 589 – 94 (1999). 2 p. This specification covers refined palladium as sponge, cast bar, and wrought forms (Note 1) in one grade as follows:
Grade 99.95 (UNS PO3995)— Palladium having a purity of 99.95 %.