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Chelating Agent Definition

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This is the chemical structure of the heme group.

This is the chemical structure of the heme group, which consists of an iron ion surrounded by a porphyrin ring. The porphyrin ring is a chelating agent

Lennert B, Public Domain

Definition: A chelating agent is a ligand that can form a chelate with a metal atom.

Also Known As: polydentate ligand

Examples: The oxalate ion [O-C(=O)-C(=O)-O]2- is a chelating agent.

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