Chapter 7

Precipitation Titrations

INTRODUCTION

Precipitation titrations are mainly based on the formation of the precipitate by the reaction of the sample with precipitating agents. The precipitate formed is the less soluble compound.

 

Ag+ + Cl Image AgCl (ppt.)

 

The number of precipitating agents that can be used is limited because of the slow action to form the precipitate. This method is mainly used in the determination of the halides.

THEORY

The theory involved in the precipitation titration is the addition of the sample solution to the titrant in which the precipitating agent forms the precipitate and the end point is detected by the indicators. ...

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