Tuesday, January 10, 2012


Identification of the constituents of a given sample and the nature of the constituents are mainly done in the qualitative analysis. But the determination of how much of each component present in a sample is obtained by quantitative analysis.

When a sample is given for quantitative analysis there can be several techniques to be applied. But the chemist should follow the most suitable technique in order to get the best result. The function of the chemist is to obtain a result as near to the true value as possible by the correct application of the procedure employed. For that purpose he/she must be familiar not only with the practical details of various techniques, but also with theoretical principles involved, the possibilities of interferences from other ions, elements and compounds as well as with the accuracy and precision he/she uses.


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