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Yttrium

Yttrium

05.Sep 2009
| Blog - Winston

 

Yttrium is found in most rare earth minerals, as well as some uranium ores, but is never found in nature as a free element. About 31 ppm (parts per million) of the Earth’s crust is yttrium making it the 28th most abundant element there, and 400 times more common than silver.

Yttrium has no known biological role, though it is found in most, if not all, organisms and tends to concentrate in the liver, kidney, spleen, lungs, and bones of humans.

Annual world production of yttrium oxide had reached 600 tonnes by 2001, with reserves estimated at 9 million tonnes. Only a few tonnes of yttrium metal are produced each year.  Wikipedia

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