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the entire directory only in Elements/Platinum_Metals Top: Science: Chemistry: Elements: Platinum Metals  (1) Iridium@  (9) Osmium@  (10) Palladium@  (10) Platinum@  (10) Rhodium@  (10) Ruthenium@  (9) Sites: Platinum Metals Review - A quarterly E-journal of scientific research on the platinum group metals. Last update: 2:31 PT, Sunday, September 6, 2009 Help build the largest human-edited directory on the web. Submit a Site - Open Directory Project - Become an Editor