helium
01/04/2018 / By Rita Winters
Helium sources, health risks
Helium (E939) is a natural inert gas that is the second lightest and second most abundant element in the universe (after hydrogen). Helium was discovered by Sir William Ramsay in 1895. It is colorless, odorless, and tasteless. Helium is often used in packaged products such as canned goods to prevent oxidation and prevent growth of […]
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