ASTM B 717 - 96 (Reapproved 2006) Standard Specification for Refined Ruthenium

American Society for Testing and Materials (ASTM). Current edition approved June 1, 2006. Published June 2006. Originally approved in 1983. Last previous edition approved in 2000 as B 717 – 96 (2000). 2 p. This specification covers refined ruthenium as sponge and powder in one grade as follows:
1 Grade 99.80—Ruthenium having a purity of 99.80 %.
2 Grade 99.90—Ruthenium having a purity of 99.90 %.