Figure 4. The ¹H-NMR spectrum of the final product of ASA showing the resonances with integrals that were used for quantification of the yield. The integral of the methyl resonance (2.88 ppm) was set to 3.00 and the resonances in the aromatic chemical shift region showed 4.00. In addition, the area of the methyl group in methanol (3.31 ppm, 0.28) and the water signal (4.87 ppm, 1.10) are shown

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Introducing NMR to Biomedical Laboratory Scientists through a Laboratory Exercise; Synthesis, Structure Determination and Quantization of Aspirin by Employing an ¹H-NMR Bench Top Instrument

Marit Kristin Leiren, Signe Steinkopf

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