Chromium (Cr) is a metal with a unique relationship with the environment. While trivalent chromium (Cr(III)) is a necessary nutrient, hexavalent chromium (Cr(VI)) is toxic to humans and aquatic life, ...

Hexavalent chromium, Cr(VI), has traditionally been used as a pigment for paints and plastics, with both Chromium Yellow (PbCrO 4) and Chromium Red (PbCrO 4 •Pb(OH) 2) extensively applied in the U.S.

The Centers for Disease Control and Prevention (CDC) is concerned about the increased prevalence of diabetes, a chronic health condition that affects how the body turns food into energy. There are ...