Chelation - Wikipedia
https://en.wikipedia.org/wiki/Chelation
OverviewChelate effectIn natureApplicationsReversalSee alsoExternal linksChelation is a type of bonding of ions and molecules to metal ions. It involves the formation or presence of two or more separate coordinate bonds between a polydentate (multiple bonded) ligand and a single central metal atom. These ligands are called chelants, chelators, chelating agents, or sequestering agents. They are usually organic compounds, but this is not a necessity. The word chelation is derived from Greek χηλή, chēlē, meaning "claw"; the ligands lie around th…
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