DEPT 13C NMR Definition:

In 13C NMR(Sect. 16.13): In 13C NMRspectroscopy, a technique that utilizes two rf radiation emitters and provides information regarding the number of protons attached to each carbon atom in a compound.

DEPT 13C NMR Explained:

When NMR of 13C is done, the magnetic moment has weaker state of protons, making it difficult to observe its carbon signals.The composition of a nucleus is very important because it is what determines if it would be easy to study or observe according to its formation of energy. Particles with nonzero spin can have magnetic moments that can be influenced by a magnetic field. Any nucleus with an even number of protons and an even number of neutrons will not be magnetically active because its spin is 0 and it has no magnetic moment. Carbon-12 has 6 protons and 6 neutrons, so it can’t be studied with NMR. Carbon-13 has 6 protons and 7 neutrons, so we can study it with NMR.

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