Difference between NMR and IR spectroscopy

Spectroscopy is the study of the interaction between electromagnetic radiation and matter. Depending on the energy of light employed, the sample contains different types of excitation and it serves as a means of classifying different spectroscopy methods.

IR gives information about the functional groups in a sample component in the range of 400-4000 cm−1. NMR spectroscopy used to study the absorption of radiofrequency radiation by nuclei in a magnetic field. This method uses radio waves.

FT-IR and NMR spectroscopy can give chemical information about sample molecules. The main difference between NMR and an IR spectroscopy is that the NMR spectroscopy is used to identify organic structure while FT-IR spectroscopy used to determine the presence and absence of functional groups in the sample.

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