chelation

Etymology
From.

Noun

 * 1)  The formation of a polydentate chelate compound from a metal salt.
 * 2)  The use of this process to remove metal ions from solution, especially to counter poisoning by heavy metals.

Translations

 * Catalan: quelació
 * Czech: chelatace
 * French:
 * Italian:
 * Portuguese:
 * Spanish: quelación