Chelation describes a particular way that ions and molecules bind metal ions. Chelation involves the formation or presence of two or more separate coordinate bonds between a multiply-bonded ligand and a single central atom. Usually these ligands are organic compounds, and are called chelants, chelators, chelating agents, or sequestering agents.
Ethylenediaminetetraacetic acid (EDTA) is a common chelating agent.
Ammonium citrate, (NH4)2HC6H5O7, is another common chelating agent.
Category: Decomposition techniques
The different kinds of analytical decompositions have been classified hierarchically. Examples: “fusion”, “acid” Taken from the “Analytical_Decompositions_SHARED” database table.
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