osmium in English

noun
1
the chemical element of atomic number 76, a hard, dense silvery-white metal of the transition series.
Scientists speculate that the asteroids would probably be very rich in minerals with a very high melting point, such as iron and nickel or rarer metals like tungsten, osmium , and zirconium.
noun

Use "osmium" in a sentence

Below are sample sentences containing the word "osmium" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "osmium", or refer to the context using the word "osmium" in the English Dictionary.

1. Silver, gold, platinum, osmium, iridium, rhodium and ruthenium and their alloys

2. Method for the asymmetric dihydroxylation of olefins, using osmium catalysts

3. In reptiles, agranular endoplasmic reticulum in many olfactory sensory cell perikarya shows a definite affinity for binding osmium.

4. The presence of the radioactive isotope rhenium-187 and its daughter isotope osmium-187 provides a useful geochronologic dating technique.

5. He had tubes made with Anticathodes of Platinum, Osmium, and Iridium, of Palladium and Rhodium, and of Copper and Nickel

6. Osmium alloys collected from alluvial deposits that are mixed with gold have yielded invaluable clues about the formation of the Earth's continental crust.

7. The largest known primary reserves are in the Bushveld Igneous Complex in South Africa, though the large copper–nickel deposits near Norilsk in Russia, and the Sudbury Basin in Canada are also significant sources of osmium.

8. Iridium (or sometimes platinum alloys or osmium) and mostly iridium alloys have a low wear and are used, for example, for multi-pored spinnerets, through which a plastic polymer melt is extruded to form fibers, such as rayon.

9. The metathesis catalyst is a ruthenium or osmium carbene complex catalyst, such as one containing an alkylidene ligand with basicity higher than that of tricyclohexylphosphine (PCY3) and a neutral electron donor ligand with a basicity lower than that of PCy3, whereby the catalyst initiates the metathesis reaction of the composition upon mixing with the substrate.

10. The present invention leaches platinum groups from industrial waste containing platinum group metals (platinum (Pt), ruthenium (Ru), osmium (Os), rhodium (Rh), iridium (Ir), palladium (Pd)), adsorbs onto an absorbent platinum group metal ions inside a leachate, desorbs the platinum group metal ions attached to the adsorbent using a desorbent to recover high concentration platinum group metal ion mixed solution, and also, recover the platinum group metal ions in the metallic form by ashing the adsorbent having the platinum group metal ions attached thereto.