NMR Spectroscopy
All hydrogen atoms

are attached to carbon
resonate at different frequencies depending on their environment.
resonate at about the same frequency as carbon
have the same resonance frequency

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NMR Spectroscopy
Why is it important to use a deuterated solvent?

Expensive solvents work best with NMR
So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition
NMR uses least of this solvent
They dissolve polymer the fastest

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