Inficon Transpector XPR 3+ - Page 65

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Transpector XPR 3+ Operating Manual
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Table 4-2 Isotope ratios
Isotope Ratios
Element Mass No.
Relative
Abundance
H1 99.985
20.015
He 3 0.00013
4 ~100.0
B 10 19.78
11 80.22
C12 98.892
13 1.108
N 14 99.63
15 0.37
O16 99.759
17 0.0374
18 0.2039
F19 100.0
Ne 20 90.92
21 0.257
22 8.82
Na 23 100.0
Al 27 100.0
Si 28 92.27
29 4.68
30 3.05
P31 100.0
S 32 95.06
33 0.74
34 4.18
36 0.016
Cl 35 75.4
37 24.6
Ar 36 0.337
38 0.063
40 99.600