Exercise: Nmr Spectroscopy

Questions for: Nmr Spectroscopy

What is used to cool the superconducting coil?
A:
Hydrogen
B:
Ice
C:
Dry ice
D:
Liquid helium
Answer: D
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What is shielding in NMR?
A:
Using a curved piece of metal to block an opponents attack
B:
Putting metal around an Rf source
C:
When the magnetic moment of an atom blocks the full induced magnetic field from surrounding nuclei
D:
Blocking parts of a molecule from Rf radiation
Answer: C
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