Nützliche Isotopenmassen
Eine Übersicht der Isotopenmuster aller Elemente gibt es von Dr. Whittal/University of Alberta:
Nach Möglichkeit wählen wir die folgenden Isotope zur Bestimmung der exakten Molekülmasse:
| Isotop | exakte Masse | Isotop | exakte Masse |
| 1H | 1.007825 | ||
| 6Li | 6.0151232 | 7Li | 7.0160045 |
| 10B | 10.0239380 | 11B | 11.0093053 |
| 12C | 12.0000000 | ||
| 14N | 14.003074008 | ||
| 16O | 15.99491464 | ||
| 19F | 18.99840325 | ||
| 23Na | 22.9897697 | ||
| 24Mg | 23.9850450 | ||
| 28Si | 27.9769284 | ||
| 31P | 30.9737634 | ||
| 32S | 31.9720718 | ||
| 35Cl | 34.968852729 | ||
| 39K | 38.9637079 | ||
| 40Ca | 39.9625907 | ||
| 46Ti | 45.9526327 | 48Ti | 47.9479467 |
| 52Cr | 51.9405097 | ||
| 55Mn | 54.9380463 | ||
| 56Fe | 55.9349393 | ||
| 58Ni | 57.9353471 | ||
| 63Cu | 62.9295992 | ||
| 64Zn | 63.9291454 | ||
| 79Br | 78.9183361 | 81Br | 80.916290 |
| 92Mo | 91.906809 | 98Mo | 97.9054050 |
| 96Ru | 95.907596 | 102Ru | 101.9043475 |
| 103Rh | 102.905503 | ||
| 104Pd | 103.904026 | 106Pd | 105.903475 |
| 107Ag | 106.905095 | ||
| 127I | 126.904477 | ||
| 182W | 181.948225 | 184W | 183.950953 |
| 194Pt | 193.962679 | 195Pt | 194.964785 |
