NMR Spectroscopy
All hydrogen atoms

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

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

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

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