Isotope Ratios

Atomic number Isotope Ratio(%)
1 1H 100
2H@(D) 0.015
2 3He 0.0001
4He 100
3 6Li 8.1081
7Li 100
4 9Be 100
5 10B 24.8439
11B 100
6 12C 100
13C 1.1122
7 14N 100
15N 0.3673
8 16O 100
17O 0.0381
18O 0.2005
9 19F 100
10 20Ne 100
21Ne 0.2983
22Ne 10.1867
11 23Na 100
12 24Mg 100
25Mg 12.6598
26Mg 13.938
13 27Al 100
14 28Si 100
29Si 5.0634
30Si 3.3612
15 31P 100
16 32S 100
33S 0.7893
34S 4.4306
36S 0.022
17 35Cl 100
37Cl 31.978
18 39K 100
40K 0.013
41K 7.217
19 36Ar 0.338
38Ar 0.063
40Ar 100
20 40Ca 100
42Ca 0.6674
43Ca 0.1393
44Ca 2.1518
46Ca 0.0041
48Ca 0.1929
21 45Sc 100
22 46Ti 10.8401
47Ti 9.8916
48Ti 100
49Ti 7.4526
50Ti 7.3171
23 50V 0.251
51V 100
24 50Cr 5.1915
52Cr 100
53Cr 11.3379
54Cr 2.8166
25 55Mn 100
26 54Fe 6.3236
56Fe 100
57Fe 2.3986
58Fe 0.3053
27 58Ni 100
60Ni 38.2305
61Ni 1.6552
62Ni 5.2585
64Ni 1.3329
28 59Co 100
29 63Cu 100
65Cu 44.571
30 64Zn 100
66Zn 57.4074
67Zn 8.4362
68Zn 38.6831
70Zn 1.2346
31 69Ga 100
71Ga 66.389
32 70Ge 56.1664
72Ge 75.0685
73Ge 21.3698
74Ge 100
76Ge 21.3698
33 75As 100
34 79Br 100
81Br 97.2776
35 74Se 1.8145
76Se 18.1451
77Se 15.3226
78Se 47.379
80Se 100
82Se 18.9516
36 78Kr 0.614
80Kr 3.9474
82Kr 20.3509
83Kr 20.1754
84Kr 100
86Kr 30.3509
37 85Rb 100
87Rb 38.571
38 84Sr 0.6781
86Sr 11.9399
87Sr 8.4766
88Sr 100
39 89Y 100
40 90Zr 100
91Zr 21.9048
92Zr 33.3722
94Zr 33.6832
96Zr 5.4033
41 93Nb 100
42 92Mo 61.5002
94Mo 38.334
95Mo 65.976
96Mo 69.1256
97Mo 39.5773
98Mo 100
100Mo 39.9088
44 96Ru 17.4684
98Ru 5.9494
99Ru 40.1899
100Ru 39.8734
101Ru 53.7975
102Ru 100
104Ru 59.1772
45 103Rh 100
46 102Pd 3.7322
104Pd 40.7611
105Pd 81.7051
106Pd 100
108Pd 96.8167
110Pd 42.8833
47 107Ag 100
109Ag 92.905
48 106Cd 4.3508
108Cd 3.0978
110Cd 43.4737
111Cd 44.5527
112Cd 83.9888
113Cd 42.5339
114Cd 100
116Cd 26.0703
49 113In 4.4932
115In 100
50 112Sn 3.0864
114Sn 2.1605
115Sn 1.2346
116Sn 45.3704
117Sn 23.7654
118Sn 75
119Sn 26.5432
120Sn 100
122Sn 14.1975
124Sn 17.284
51 121Sb 100
123Sb 74.5201
52 127I 100
53 120Te 0.284
122Te 7.6923
123Te 2.6864
124Te 14.2485
125Te 21.1243
126Te 56.0651
128Te 93.7574
130Te 100
54 124Xe 0.3717
126Xe 0.3346
128Xe 7.1004
129Xe 98.1413
130Xe 15.2416
131Xe 78.8104
132Xe 100
134Xe 38.6617
136Xe 33.0856
55 133Cs 100
56 130Ba 0.1478
132Ba 0.1409
134Ba 3.371
135Ba 9.1939
136Ba 10.954
137Ba 15.6625
138Ba 100
57 138La 0.0901
139La 100
58 136Ce 0.2147
138Ce 0.2825
140Ce 100
142Ce 12.5226
59 141Pr 100
60 142Nd 100
143Nd 44.8949
144Nd 87.7258
145Nd 30.5934
146Nd 63.3616
148Nd 21.2311
150Nd 20.7888
62 144Sm 11.654
147Sm 56.767
148Sm 42.481
149Sm 52.256
150Sm 27.82
152Sm 100
154Sm 84.962
63 151Eu 91.5709
153Eu 100
64 152Gd 0.8052
154Gd 8.7762
155Gd 59.5813
156Gd 82.4074
157Gd 63.0032
158Gd 100
160Gd 88.0032
65 159Tb 100
66 156Dy 0.2128
158Dy 0.3546
160Dy 8.2979
161Dy 67.0212
162Dy 90.4255
163Dy 88.2978
164Dy 100
67 165Ho 100
68 162Er 0.4167
164Er 4.7917
166Er 100
167Er 68.3036
168Er 79.7619
170Er 44.3452
69 169Tm 100
70 168Yb 0.4088
170Yb 9.5912
171Yb 44.9686
172Yb 68.8679
173Yb 50.6918
174Yb 100
176Yb 39.9371
71 175Lu 100
176Lu 2.6694
72 174Hf 0.4545
176Hf 14.7727
177Hf 52.8409
178Hf 76.9886
179Hf 39.0341
180Hf 100
73 180Ta 0.012
181Ta 100
74 180W 0.4239
182W 85.7515
183W 46.6254
184W 100
186W 93.2507
75 185Re 59.7444
187Re 100
76 184Os 0.0488
186Os 3.8537
187Os 3.9024
188Os 32.439
189Os 39.2683
190Os 64.3902
192Os 100
77 191Ir 59.4896
193Ir 100
78 190Pt 0.0296
192Pt 2.3373
194Pt 97.3373
195Pt 100
196Pt 74.8521
198Pt 21.3018
79 197Au 100
80 196Hg 0.5059
198Hg 34.0641
199Hg 57.3356
200Hg 77.9089
201Hg 44.5194
202Hg 100
204Hg 22.9342
81 203Tl 41.8922
205Tl 100
82 204Pb 2.6718
206Pb 45.9923
207Pb 42.1756
208Pb 100
83 209Bi 100
90 232Th 100
92 234U 0.0055
235U 0.7253
238U 100

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XPS(X-ray Photoelectron Spectroscopy) Database