Mass Spectrometry
#Chemistry
See spectroscopy and spectrometry for why it's called spectrometry and not spectroscopy
Topics
| Isotope | Natural Abundance | M:M+2 Ratio |
|---|---|---|
| $\displaystyle \ce{^{32}S:^{34}S}$ | 95.0 : 4.2 | 25 : 1 |
| $\displaystyle \ce{^{35}Cl:^{37}Cl}$ | 75.8 : 24.2 | 3 : 1 |
| $\displaystyle \ce{^{79}Br:^{81}Br}$ | 50.7 : 49.3 | 1: 1 |
$\displaystyle \mathrm{# carbons}=\frac{I(M+1)}{0.011\cdot I(M)}$
- Number of carbons of a molecule defined by the intensity of the molecular ion peak $\displaystyle M$ and $\displaystyle M+1$