NMR Spectroscopy

Question 1

Why is TMS (tetramethylsilane) used?

Answer 1

• It’s used as a standard for chemical shift measurements. Results in a peak at 0ppm.
• It’s: non toxic, inert, only gives one signal; has a low boiling point so it can be easily removed from the sample.

Question 2

What is meant by NMR?

Answer 2

•Involves the interaction of materials with the low energy radio wave region of the electromagnetic spectrum.