A Spectrophotometric Analysis of Salicylate in Face Washes

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In this Laboratory Exercise, we will determine the amount of active ingredient in a commercial face wash; Sodium Salicylate. We will accomplish this by conducting a spectrophotometric analysis of the preparation at the wavelength of maximal absorbance for this compound when complexed with Fe 3+ . The resulting absorbance measurement will be correlated against calibration standards, using Beer’s Law, to determine the concentration of Salicylate in the preparation.

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A Spectrophotometric Analysis of Salicylate in Face Washes

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تاریخ انتشار 2012