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One-dimensional 1H NMR spectroscopy. (A) Setup. (B–H) The 1D spectra for deionized tap water (1 scan), ethanol (1 scan), l-alanine (64 scans), ethylbenzene (1 scan), aspirin (64 scans), l-serine (64 scans), and d-(+)-glucose (64 scans). l-alanine, l-serine, and d-(+)-glucose are dissolved in D2O (1.5 M). Aspirin is dissolved in DMSO-d6 (1.5 M).
