For aspirin and the hcl solution our results showed a

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or low according to the intensity of the spot seen under an ultraviolet light. For aspirin and the HCl solution, our results showed a medium concentration of the drug present in the ethyl acetate while for the aspirin and the phosphate buffer a low concentration of the drug was present in the ethyl acetate. For the 3-aminophenol, there were medium concentrations of the drug present in the ethyl acetate for both samples containing HCl solution and phosphate buffer while for paracetamol, high concentrations of the drug were present for both the samples containing the
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HCl solution and phosphate buffer. It can be said that the results obtained for the 3-aminophenol are erroneous. Instead of there being medium concentrations of the drug in the ethyl acetate in both the sample containing the HCl solution and the sample containing the phosphate buffer, the results should have displayed low concentrations of the 3-aminophenol in the ethyl acetate of the sample containing HCl and high concentrations of the drug in the sample containing the phosphate buffer solution. 3- aminophenol paracetamol aspirin Results and Observations Testing Absorption of Each Drug Test Tube Drug Reagents Concentration of Drug in ethyl acetate 1 50 mg aspirin 3 mL HCl solution Medium 2 50 mg aspirin 3 mL phosphate buffer Low 3 50 mg 3-aminophenol 3 mL HCl solution Medium 4 50 mg 3-aminophenol 3 mL phosphate buffer Medium 5 50 mg paracetamol 3 mL HCl solution High 6 50 mg paracetamol 3 mL phosphate buffer High Discussion
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