Zinc

Zinc

Zinc Zinc is considered an essential element in human and animal nutrition . IT can be naturally occurring , the most significant source being zinc ores : sphalerite (ZnS) and smithsonite (ZnC03). These compounds end up in water on locations where zinc ores are found....
Silver

Silver

Silver Silver is a relatively rare metal originating from natural sources and from industrial waste.  Silver is used in many applications including photographic materials, alkaline batteries, jewelry, coins, mirrors, and tableware.  Silver also has higher electrical...
Selenium

Selenium

Selenium Selenium is found naturally in food and soils.  It is used in electronics, photocopy operations, glass manufacturing, chemicals, drugs, and as a fungicide and feed additive.  It can cause dermatitis or affect the nervous system. Selenium is a metal found in...
Potassium

Potassium

Potassium Potassium is an essential element in humans. It is not commonly found in drinking water at levels that could be a concern to human health. However, the consumption of drinking water treated by water softeners using potassium chloride may significantly...
Nickel

Nickel

Nickel Nickel is not commonly found in nature as a pure metal. Pure nickel is a hard silvery white metal.  It is often combined with other metals such as iron, copper, chromium, and zinc to form alloys. These alloys are used to make coins, jewelry and useful items...
Mercury

Mercury

Mercury Mercury is one of the least abundant elements in the earth’s crust. Mercury is a liquid metal found in natural deposits as ores containing other elements. This metal is used in electrical equipment and some water pumps. It usually gets into water as a result...