ICP-MS讲座:2.元素的同位素与天然丰度 元素的同位素与天然丰度数据库及
ICP-MS测量的相对灵敏度系数
英文元素名 元素符号 相对灵敏度系数 质量数 丰度 测量推荐同位素
Hydrogen H 1.000 1.008 99.985
2.014 0.015
helium He 1.000 3.016 0.000
4.003 99.999
lithium Li 0.992
6.015 7.520 *
7.016 92.480
beryllium Be 0.386 9.012 100.000 *
boron B 0.238 10.013 18.980
11.009 81.020 *
carbon C 0.007 12.000 98.892
13.003 1.108
nitrogen N 1.000 14.003 99.635
15.000 0.365
oxygen O 1.000 15.995 99.759
16.999 0.037
fluorine F 1.000 18.998 100.000
neon Ne 1.000 19.992 90.920
20.994 0.257
21.991 8.820
sodium Na 0.995 22.990 100.000 *
magnesium Mg 0.917 23.985 78.600 *
24.986 10.110
25.983 11.290
C2 M* 1.000 24.000 97.796
25.003 2.191
26.007 0.012
17.999 0.204
aluminium Al 0.943 26.982 100.000 *
silicon Si 0.584 27.977 92.180
28.976 4.710 *
29.974 3.120
CO M* 1.000 27.995 98.654
28.999 1.142
29.999 0.202
31.003 0.002
n2 M* 1.000 28.006 99.271
29.003 0.727
30.000 0.001
n2h M* 1.000 29.014 99.256
30.020 0.742
31.017 0.001
no M* 1.000 29.998 99.395
31.002 0.401
32.002 0.203
phosphorus P 0.079 30.974 100.000 *
sulphur S 1.000 31.972 95.018
32.971 0.750
33.968 4.215 *
o2 M* 1.000 31.990 99.519
32.994 0.074
33.994 0.407
chlorine Cl 0.005 34.969 75.400 *
36.966 24.600
argon Ar 1.000 35.968 0.337
37.963 0.063
39.962 99.600
ArH M* 1.000 36.975 0.337
38.971 0.063
40.970 99.585
41.976 0.015
ArH2 M* 1.000 37.983 0.337
39.978 0.063
41.978 99.570
42.984 0.030
potassium K 1.000 38.964 93.080 *
39.964 0.012
40.962 6.910
calcium Ca 0.993 39.963 96.900
41.959 0.650
42.957 0.140
43.955 2.080 *
45.954 0.004
47.952 0.190
MgO M* 1。000 39.980 78.411
40.984 10.115
41.984 11.427
42.985 0.025
43.982 0.023
MgOH M* 1.000 40.988 78.399
41.994 10.125
42.998 0.166
43.998 0.027
44.999 0.023
42.985 11.261
CO2 M* 1.000 43.990 98.416
44.994 1.176
45.994 0.403
46.998 0.005
scandium Sc 0.985 44.956 100.000 *
SiOH M* 1.000 44.980 91.944
45.986 4.476
46.990 0.190
47.990 0.011
48.990 0.006
46.976 3.112
titanium Ti 0.975 45.953 7.950
46.952 7.750
47.948 73.450 *
48.948 5.510 *
49.945 5.340
NO2 M* 1.000 45.993 99.155
46.997 0.437
47.997 0.406
49.001 0.002