Environment Research & Heavy Metals: A Toxic Relationship Kumar Jeetendra | September 30, 2021 What are heavy metals? Heavy metals are naturally occurring elements & are a group of metals and metalloids that have relatively high density and are toxic even at ppb levels. Examples include Pb, As, Hg, Cd, Zn, Ag, Cu, Fe, Cr, Ni, Pd, and Pt. Multiple industrial, domestic, agricultural, medical and technological applications have led …
