Selenium

Selenium

Selenium Tone

This is, what, selenium? tin

Black White with Selenium Tone This effect replicates traditional selenium chemical toning done in the darkroom.

Selenium deficiency in livestock has become an issue in recent years due to the lack of selenium in soil.

In contrast, over exposure to selenium in the diet leads to a condition known as Selenosis.

So if I have, let's say I wanted to take the example of, if this is Sn, this is selenium.

Most rare elements on Earth are not needed by life (exceptions being selenium and iodine), while a few common ones (aluminum and titanium) are not used.

Studies focusing on the biological effects of selenium have brought greater attention to Sodium Selenate due to its regulatory role in the function of the PP2A phosphatase protein.