When water is stored in a copper vessel for 6 to 8 hours or overnight, some small amounts of copper dissolve in the water. This process is known as the oligodynamic effect. In recent years, people ...

Recently, high levels of copper raised concerns over the quality of water in Hilltop Apartments. The water was tested in a state-certified laboratory and was determined to be safe to drink. While it ...

The rich organic matter that gives the largest tributary of the Amazon River, the Rio Negro, its characteristic black hue may provide fish with some protection from the negative effects of copper ...