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Pharmaceutical Analysis
book

Pharmaceutical Analysis

by P. D. Chaithanya Sudha
July 2012
Intermediate to advanced content levelIntermediate to advanced
758 pages
17h 12m
English
Pearson India
Content preview from Pharmaceutical Analysis

Chapter 6

Gravimetry

INTRODUCTION

Theodore W. Richard first proposed the technique of gravimetric analysis for the determination of chlorine and silver ions. This method is a quantitative analytical method which is done by a process of precipitation, isolation and weighing of the isolated product. It is mainly based on the measurement of the analyte.

PRINCIPLE

The principle involved in this method is that the sample is dissolved in a solvent and then the precipitating agent is added. The resulting precipitate is filtered dried and weighed.

The separation of the sample is carried out by the following principle methods:

  • Precipitation method: In this method the sample is completely precipitated.
  • Volatilization method: In this method the sample ...
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Publisher Resources

ISBN: 9789332515659