Advanced Techniques of Analytical Chemistry

Non-Aqueous Titrations

Author(s): Sunaina Aggarwal*, Upasna Kaushik and Shivani Sharma

Pp: 45-57 (13)

Doi: 10.2174/9789815050233122010007

* (Excluding Mailing and Handling)

Abstract

Various titrimetric methods are available for estimation of acids and bases,
except very weak acids and bases which can only be estimated by either non-aqueous
methods of titration or potentiometry. Non-aqueous means of titrimetric analysis
involve the conversion of weak acid to a strong acid or weak base to a strong base by
exerting differentiating effect when dissolved in a basic or acidic solvent. The endpoint
of the titrations is determined via non-aqueous indicator solutions such as Crystal
violet, Nile blue A, 1-Naphtholbenzein, Oracet blue B.


Keywords: Acidimetry, Alkalimetry, Differentiating effect, Leveling effect, Nonaqueous titration.

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