When was ruthenium isolated by Karl Ernst Claus?
Karl Ernst Claus isolated ruthenium in 1844 at Kazan State University. He successfully demonstrated the existence of the new metal after previous chemists failed to prove their findings.
Questions about Ruthenium
Short answers, pulled from the story.
Why is the name ruthenium derived from Ruthenia?
Karl Ernst Claus named the element ruthenium to honor his motherland Russia using the Latin word Ruthenia. He claimed the right to use the name because the word did not exist in the chemical lexicon and his predecessors had relinquished their claims.
What is the half-life of the most stable radioactive isotope ruthenium-106?
The most stable radioactive isotope ruthenium-106 has a half-life of 371.8 days. This isotope is a fission product of uranium or plutonium and was detected in high concentrations in the atmosphere over Europe in 2017.
How much ruthenium was consumed globally in 2016?
Approximately 30.9 tonnes of ruthenium were consumed globally in 2016. Thirteen point eight tonnes were dedicated to electrical applications and 7.7 tonnes were used for catalysis.
Who won the Nobel Prize in Chemistry for developing ruthenium catalysts?
Ruthenium carbene complex inventors and Ryoji Noyori won the Nobel Prize in Chemistry for their work. Noyori received the award in 2001 for his contributions to asymmetric hydrogenation using ruthenium complexes.
What is the primary health risk associated with ruthenium compounds?
Ruthenium tetroxide is a highly toxic volatile compound that can cause severe damage to human health. It acts as an aggressive oxidizing agent that decomposes to form the dioxide above 100 degrees Celsius.