Discovery of Ruthenium
For the most part, the credit for discovering Ruthenium goes to Karl Ernst Claus, whom first isolated the element in 1844. However, in 1828 Swedish chemist Jons Jacob Berzelius and Russian chemist Gottfried W. Osann spotted the element when analyzing residue after dissolving crude platinum ores in aqua regina (a mix of hydrochloric and nitric acids) believing he had found three separate new metals in the residue, he named these metals pluranium, polinium and ruthenium. However, Claus disproved this, and proved that there was only one new metal, Ruthenium.
Uses for Ruthenium
NurdRage. (2010, July 4). Ruthenium metal - invulnerable to aqua regia [Video file]. Retrieved from https://www.youtube.com/watch?v=H7Ng4sOVkns
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Ruthenium element facts. (n.d.). Retrieved December 16, 2015, from http://www.chemicool.com/elements/ruthenium.html