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15. Analytical Techniques:IR, NMR, Mass Spect - 5! 1부
15. Analytical Techniques: IR, NMR, Mass Spect / 1H Nuclear Magnetic Resonance - General Features / 문제 2
문제 2

How much do two signals differ in a 500 MHz spectrometer, if in a 400 MHz spectrometer they differ by 3.5 ppm?