a chemical technique using the formation of a colored complex to indicate the end of a titration.
Origin of complexometry
Also called com·plex·o·met·ric titra·tion [kuh m-plek-suh-me-trik] /kəmˌplɛk səˈmɛ trɪk/.
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chem a titration in which a coloured complex is formed, usually by the use of a chelating agent, such as EDTA, the end point being marked by a sharp decrease in the concentration of free metal ions
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