Heavy metals naturally occur in the Earth's crust, but human activities can increase their concentration in the environment, ...

She said some people can't tolerate certain mixtures of metal - and may experience a rash in response to copper, nickel or chromium, though it is unclear what is in the metal on the band of the ...

Heavy metal contamination in Yangshan Port raises concerns for seafood safety, with arsenic and mercury posing health risks.

Researchers have proposed using polymer membranes modified with copper, zinc, and chromium metal ions for water purification. These polymers were used for the first time in water purification via ...