Yttrium is begin in a lot of attenuate apple minerals, as able-bodied as some uranium ores, but is never begin in attributes as a chargeless element. About 31 ppm of the Earth's band is yttrium,making it the 28th a lot of abounding aspect there, and 400 times added accepted than silver.
Yttrium is begin in clay in concentrations amid 10 and 150 ppm (dry weight boilerplate of 23 ppm) and in sea baptize at 9 ppt. Lunar bedrock samples calm during the American Apollo Project accept a almost top agreeable of yttrium.
There is commonly as little as 0.5 milligrams begin aural the absolute animal body; animal breast milk contains 4 ppm.Yttrium can be begin in comestible plants in concentrations amid 20 ppm and 100 ppm (fresh weight), with banknote accepting the better amount.
more about: Yttrium oxide
from: Metal Powder
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