Advanced Techniques of Analytical Chemistry

Complexometric Titrations

Author(s): Anju Goyal, Ramninder Kaur*, Sandeep Arora and Komalpreet Kaur

Pp: 82-96 (15)

Doi: 10.2174/9789815050233122010009

* (Excluding Mailing and Handling)

Abstract

Complexometric titrations (also known as chelatometry) are used mainly to
determine metal ions by use of complex-forming reactions. It is a form of volumetric
analysis in which the formation of a colored complex is used to indicate the endpoint of
a titration. In this method, a simple ion is transformed into a complex ion and the
equivalence point is determined using metal indicators or electrometrically. An
indicator capable of producing an unambiguous color change is usually used to detect
the endpoint of the titration. The versatility, sensitivity, and general convenience of
complexometric titrations are dependent on the correct choice of indicators endpoint
detection.


Keywords: Complexation, Metal ions, Metal ion indicators, Titrations.

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