Question

Why is `""^13 "C NMR"` less sensitive?

Answer 1

There are two main reasons why `""^13"C"` NMR is less sensitive than `""^1"H"` NMR.

Explanation:

• A `""^13"C"` nucleus has about `"1/400"` the sensitivity of a `""^1"H"` nucleus to the NMR phenomenon.
• Only about `1.1 %` of all carbon atoms are `""^13"C"`.