Determination of caffeine in pharmaceutical preparations by the linear absorbances method.

In this work a fast Linear Absorbance Method for the determination of caffeine in pharmaceutical preparations in the presence of paracetamol or acetylsalicylic acid is presented. The determination of acetylsalicylic acid or paracetamol is also possible by means of a tabulated parameter fB, which values are included in this paper. The method avoids the use… CONTINUE READING