2.5 Mass Spectrometry
27
2.5.2 Ranges of Natural Isotope Abundances of Selected Elements [3]
Element
Range
Isotope
[atom %]
Element
Range
Isotope
[atom %]
Element
Range
Isotope
[atom %]
H
Si
Sr
1 H
99.9816–99.9974 28 Si
92.205–92.241 84 Sr
0.55–0.58
2 H
0.0026–0.0184 29 Si
4.678–4.692 86 Sr
9.75–9.99
30 Si
3.082–3.102 87 Sr
6.94–7.14
He
88 Sr
82.29–82.75
3 He
4.6×10 -8 –0.0041 S
4 He
99.9959–100 32 S
94.454–95.281 Ce
33 S
0.730–0.793 136 Ce
0.185–0.186
Li
34 S
3.976–4.734 138 Ce
0.251–0.254
6 Li
7.225–7.714 36 S
0.013–0.019 140 Ce
88.446–88.449
7 Li
92.275–92.786
142 Ce
11.114–11.114
Cl
B
35 Cl
75.644–75.923 Nd
10 B
18.929–20.386 37 Cl
24.077–24.356 142 Nd
26.80–27.30
11 B
79.614– 81.071
143 Nd
12.12–12.32
Ca
144 Nd
23.79–23.97
C
40 Ca
96.933–96.947 145 Nd
8.23–8.35
12 C
98.853–99.037 42 Ca
0.646–0.648 146 Nd
17.06–17.35
13 C
0.963–1.147 43 Ca
0.135–0.135 148 Nd
5.66–5.78
44 Ca
2.082–2.092 150 Nd
5.53–5.69
N
46 Ca
0.004–0.004
14 N
99.579–99.654 48 Ca
0.186–0.188 Pb
15 N
0.346–0.421
204 Pb
1.04–1.65
V
206 Pb
20.84–27.48
O
50 V
0.2487–0.2502 207 Pb
17.62–23.65
16 O
99.738–99.776 51 V
99.7498–99.7513 208 Pb
51.28–56.21
17 O
0.037–0.040
18 O
0.188–0.222 Cu
U
63 Cu
68.983–69.338 234 U
0.0050–0.0059
Ne
65 Cu
30.662–31.017 235 U
0.7198–0.7207
20 Ne
88.47–90.51
238 U 99.2739–99.2752
21 Ne
0.27–1.71
22 Ne
9.20– 9.96
27
2.5.2 Ranges of Natural Isotope Abundances of Selected Elements [3]
Element
Range
Isotope
[atom %]
Element
Range
Isotope
[atom %]
Element
Range
Isotope
[atom %]
H
Si
Sr
1 H
99.9816–99.9974 28 Si
92.205–92.241 84 Sr
0.55–0.58
2 H
0.0026–0.0184 29 Si
4.678–4.692 86 Sr
9.75–9.99
30 Si
3.082–3.102 87 Sr
6.94–7.14
He
88 Sr
82.29–82.75
3 He
4.6×10 -8 –0.0041 S
4 He
99.9959–100 32 S
94.454–95.281 Ce
33 S
0.730–0.793 136 Ce
0.185–0.186
Li
34 S
3.976–4.734 138 Ce
0.251–0.254
6 Li
7.225–7.714 36 S
0.013–0.019 140 Ce
88.446–88.449
7 Li
92.275–92.786
142 Ce
11.114–11.114
Cl
B
35 Cl
75.644–75.923 Nd
10 B
18.929–20.386 37 Cl
24.077–24.356 142 Nd
26.80–27.30
11 B
79.614– 81.071
143 Nd
12.12–12.32
Ca
144 Nd
23.79–23.97
C
40 Ca
96.933–96.947 145 Nd
8.23–8.35
12 C
98.853–99.037 42 Ca
0.646–0.648 146 Nd
17.06–17.35
13 C
0.963–1.147 43 Ca
0.135–0.135 148 Nd
5.66–5.78
44 Ca
2.082–2.092 150 Nd
5.53–5.69
N
46 Ca
0.004–0.004
14 N
99.579–99.654 48 Ca
0.186–0.188 Pb
15 N
0.346–0.421
204 Pb
1.04–1.65
V
206 Pb
20.84–27.48
O
50 V
0.2487–0.2502 207 Pb
17.62–23.65
16 O
99.738–99.776 51 V
99.7498–99.7513 208 Pb
51.28–56.21
17 O
0.037–0.040
18 O
0.188–0.222 Cu
U
63 Cu
68.983–69.338 234 U
0.0050–0.0059
Ne
65 Cu
30.662–31.017 235 U
0.7198–0.7207
20 Ne
88.47–90.51
238 U 99.2739–99.2752
21 Ne
0.27–1.71
22 Ne
9.20– 9.96