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Unformatted text preview: Abercrombie 1 TLC Analysis of Analgesic Drugs Author: Michelle Abercrombie Lab Partners: Llyod Petty, Brian Denning Instructor: Guarav Bharadwaj Chemistry 104B, section 005 Date work performed: 29 January 2008 Date work submitted: 5 January 2008 Abstract: Using TLC analysis the active ingredients in four over the counter pain pill samples, Bayer, Tylenol, Excedrin, and No Dos were able to be determined using the R(f) values of the known samples of aspirin, acetaminophen, caffeine, and ibuprofen. Bayer was found to have an R(f) value of 0.7875, meaning it contains aspirin. Tylenol was found to have both acetaminophen and aspirin. Traces of caffeine were found in both No Dos and Excedrin. Abercrombie 2 Introduction: The purpose of this experiment is to determine the composition of a series of over the counter analgesic drugs using thin layer chromatography (TLC). Analgesic drugs are drugs that relieve pain while the patient still remains conscious. Different over the counter analgesic drugs relieve pain while the patient still remains conscious....
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