Sumner Group: Isotope Table
Mass Spectrometry · Ionization Technique
| Element |
|
Isotope |
|
Accurate Mass |
|
Natural Abundance |
| Arsenic |
|
75As |
|
74.92160 |
|
100.00% |
| Bromine |
|
79Br |
|
78.918336 |
|
50.69% |
| |
|
81Br |
|
80.916289 |
|
49.31% |
| Carbon |
|
12C |
|
12.000000 |
|
98.90% |
| |
|
13C |
|
13.003355 |
|
1.10% |
| Chlorine |
|
35Cl |
|
34.968852 |
|
75.77% |
| |
|
37Cl |
|
36.965903 |
|
24.23% |
| Fluorine |
|
19F |
|
18.998403 |
|
100.00% |
| Hydrogen |
|
1H |
|
1.007825 |
|
99.985% |
| |
|
2H |
|
2.014102 |
|
0.015% |
| Iodine |
|
127I |
|
126.904473 |
|
100.00% |
| Iron |
|
54Fe |
|
53.93961 |
|
5.80% |
| |
|
56Fe |
|
55.93494 |
|
91.72% |
| |
|
75Fe |
|
56.93540 |
|
2.20% |
| Molybdenum |
|
92Mo |
|
91.906808 |
|
14.84% |
| |
|
94Mo |
|
93.905085 |
|
9.25% |
| |
|
95Mo |
|
94.905840 |
|
15.92% |
| |
|
96Mo |
|
95.904678 |
|
16.68% |
| |
|
97Mo |
|
96.906020 |
|
9.55% |
| |
|
98Mo |
|
97.905406 |
|
24.13% |
| |
|
100Mo |
|
99.907477 |
|
9.63% |
| Nickel |
|
58Ni |
|
57.935346 |
|
68.077% |
| |
|
60Ni |
|
59.930788 |
|
26.223% |
| |
|
61Ni |
|
60.931058 |
|
1.140% |
| |
|
62Ni |
|
61.928346 |
|
3.634% |
| |
|
64Ni |
|
63.927968 |
|
0.926% |
| Nitrogen |
|
14N |
|
14.003074 |
|
99.63% |
| |
|
15N |
|
15.000108 |
|
0.37% |
| Oxygen |
|
16O |
|
15.994915 |
|
99.76% |
| |
|
17O |
|
16.999131 |
|
0.04% |
| |
|
18O |
|
17.999160 |
|
0.20% |
| Phosphorus |
|
31P |
|
30.973762 |
|
100.00% |
| Selenium |
|
74Se |
|
73.922475 |
|
0.89% |
| |
|
76Se |
|
75.919212 |
|
9.36% |
| |
|
77Se |
|
76.919912 |
|
7.63% |
| |
|
78Se |
|
77.917308 |
|
23.77% |
| |
|
80Se |
|
79.916520 |
|
49.61% |
| |
|
82Se |
|
81.916698 |
|
8.74% |
| Silicon |
|
28Si |
|
27.976927 |
|
92.23% |
| |
|
29Si |
|
28.976495 |
|
4.67% |
| |
|
30Si |
|
29.973770 |
|
3.10% |
| Silver |
|
107Ag |
|
106.905092 |
|
51.839% |
| |
|
109Ag |
|
108.904757 |
|
48.161% |
| Sodium |
|
23Na |
|
22.989767 |
|
100.00% |
| Sulfur |
|
32S |
|
31.972070 |
|
95.02% |
| |
|
33S |
|
32.971456 |
|
0.75% |
| |
|
34S |
|
33.967866 |
|
4.21% |
| Tin |
|
112Sn |
|
111.904826 |
|
0.97% |
| |
|
114Sn |
|
113.902784 |
|
0.65% |
| |
|
115Sn |
|
114.903348 |
|
0.36% |
| |
|
116Sn |
|
115.901747 |
|
14.53% |
| |
|
117Sn |
|
116.902956 |
|
7.68% |
| |
|
118Sn |
|
117.901609 |
|
24.22% |
| |
|
119Sn |
|
118.903310 |
|
8.58% |
| |
|
120Sn |
|
119.90220 |
|
32.59% |
| |
|
122Sn |
|
121.903440 |
|
4.63% |
| |
|
124Sn |
|
123.905274 |
|
5.79% |
| From "The CRC Handbook of Chemistry and Physics", 73rd Edition, D. R. Lide, Ed., CRC Press, Ann Arbor, MI, 1992 |