Sentence examples for metal iridium from inspiring English sources

Then they were coated with the highly reflective rare metal, iridium.

After being polished, the mirrors were coated with a vapor-thin layer of the highly reflective rare metal iridium.

They found that rocks laid down precisely at the K-T boundary contain extraordinary amounts of the metal iridium (Figure 18.1).

A precious, silver-white metal, iridium is hard and brittle, but it becomes ductile and can be worked at a white heat, from 1,200° to 1,500° C (2,200° to 2,700° F).

Together, the teams found a photocatalyst based on the metal iridium that worked with nickel to carry out both coupling reactions — at the carbon-hydrogen bond and at the carboxylate group.

The discovery of an abnormally high concentration of the rare metal iridium at, or very close to, the K T boundary provides what has been recognized as one of those rare instantaneous geologic time markers that seem to be worldwide.

Native platinum was often found with two other metals, iridium and osmium, which were even denser, harder, more refractory.

Despite the cost and relative scarcity of precious metals — iridium, platinum, rhodium — we rely on them to manufacture products from denim to beer, pharmaceuticals to fuel cells.

Among various metals iridium is shown to give the best catalytic reactivity : an Ir-grafted SnO2 working as tce in a thin layer photoelectrochemical cell exhibits a fill factor of 0.6 instead of 0.1 to 0.3 for an unmodified SnO2tce.

A member of the platinum group metals, iridium is white, resembling platinum, but with a slight yellowish cast.

As with all of the platinum group metals, iridium can be found naturally in alloys with raw nickel or raw copper.