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What is Colorimetric Analysis of Aspirin about?

This document describes a colorimetric analysis of aspirin tablets using iron(III) chloride. Aspirin hydrolyzes to form 2-hydroxybenzoic acid, which produces a violet-blue complex when mixed with iron(III) ions. Standard solutions of known aspirin concentrations are prepared and used to generate a calibration curve of absorbance versus concentration. The absorbance of an unknown aspirin solution is then measured and the concentration is determined using the calibration curve, allowing the mass of aspirin in

Author

WiedyaPurbaningrum

Language

EN