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EDTA: Auxiliary Complexing Reagents

EDTA: Auxiliary Complexing Reagents

EDTA titrations are usually carried out in highly basic conditions, where the fully deprotonated form of EDTA, Y4−, actively complexes with the free metal ions in the solution. Several metal ions precipitate as hydrous oxide (hydroxides, oxides, or oxyhydroxides) under these conditions, lowering the concentration of free metal ions in the solution. For this reason, auxiliary complexing agents or ligands such as ammonia, tartrate, citrate, or triethanolamine are used in EDTA titrations to...

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Related Experiment Video

Updated: Aug 14, 2025

Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells

Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells

Published on: May 16, 2019

Calculating zinc uptake by Zinc-APP

Sarah Trame¹, Andreas Brüggemann¹, Lothar Rink¹

¹Institute of Immunology, Medical Faculty, RWTH Aachen University Hospital, Pauwelsstr. 30, 52074 Aachen, Germany.

Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)

|January 14, 2023

Summary

No abstract available in PubMed .

Keywords:

Zinc Zinc deficiency Zinc measurement Zinc status Zinc supplementation

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