Definitions for edta
This page provides all possible meanings and translations of the word edta
Random House Webster's College Dictionary
ethylenediaminetetraacetic acid: a colorless compound, C10H16N2O8, capable of chelating a variety of divalent metal cations: used in food preservation, as an anticoagulant, and in the treatment of heavy-metal poisonings.
Category: Chemistry, Pharmacology
Ethylenediaminetetraacetic acid, widely abbreviated as EDTA, is an aminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is named ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate ligand and chelating agent, i.e. its ability to "sequester" metal ions such as Ca2+ and Fe3+. After being bound by EDTA, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA.
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