go to jove.com

HIGH SCHOOL

Chemistry

Concept Videos

Analytical Chemistry

This is a free preview. For full access

Complexometric Titration, Precipitation Titration, and Gravimetry

Metal Ion Endpoints in Complexometric Titration

Description

Complexometric titration tracks metal ions by forming a complex with one or more ligands. In this method, the metal ion reacts with the added ligand to produce a metal-ligand complex. The result is used in analytical chemistry to help identify the endpoint of the titration.

A visual indicator is ...

Transcript

Complexometric titrations involve reactions of ligands with suitable metal ions to generate metal–ligand complexes.

The titration is often performed using a visual indicator, which first forms a relatively weak metal–indicator complex that gives the solution an initial color.

As the titration approaches the equivalence point, all f...

Tags

Metal Ion LigandVisual IndicatorEndpoint DetectionEriochrome Black TCalmagite IndicatorMetal Indicator ComplexLigand DisplacementColor Change SignalO O'-dihydroxyazo Compounds