15. Analytical Techniques:IR, NMR, Mass Spect - Parte 1 di 5!

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

Problema 2

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

2.5 ppm

4.5 ppm

3.5 ppm

1.5 ppm