After reading this article you will learn about:- 1. Occurrence of Arsenic 2. Biochemical Effects of Arsenic 3. Transformation. Occurrence of Arsenic: The element arsenic is widely distributed in nature, being highly concentrated in coals. It occurs mostly in the form of arsenide's of true metals or as arsenopyrites. The average content of arsenic in freshwater is about 1.5 to [...]
After reading this article you will learn about:- 1. Uses of Cadmium 2. Emissions of Cadmium 3. Biochemical Effects. Uses of Cadmium: Cadmium (Cd) is a divalent metal, chemically similar to Zinc and Mercury. Although it is widely distributed in the lithosphere, Cadmium is usually found at quite low concentrations in crystal rocks, the mean concentration being about 200-300 ppb. [...]
After reading this article you will learn about the biochemical and toxic effects of copper. Biochemical Effects of Copper: Copper is an essential trace element for both plants and animals. It acts as catalysts of enzyme reaction and also chelators of some organic compounds. In man, copper predominantly acts as a cofactor for a number of enzymes such as cerulo [...]