常⽤放射性核素表常⽤放射性核素表
原⼦序数及元素名称核素符号半衰期
衰变类型括号
内为每100次衰
变中发⽣的次数
dear什么意思主要带电粒⼦及其能量(MeV) 括号
内为平均100次衰变中发射的次数
主要γ线能量(MeV)括号内为平均
100次衰变中发射的次数
1 氢
Hydtogn
3H12.33 aβ—(100)β—:0.0186(100)
6 碳Carbon ll C20.38 minβ+(>99),ECβ+:0.9608(>99)
β+湮没辐射(>99)14C5730 aβ—(100)β—: 0.155(100)
7 氮
Nitrogen
13N9.96 minβ+(100)β+:1.190(100)β+湮没辐射(100)8 氧
oxygen
15O122 sβ+(>99),ECβ+:1.723(>99)β+湮没辐射(>99)9 氟
Fluorine
18F109.8 minβ+(96.9),ECβ+:0.635(96.9)β+湮没辐射(96.9)
11 钠Sotliun 22Na 2.602 aβ+(90.26),ECβ+:0.546(90.2)
β+湮没辐射
(90.26)1.275(99.94)1.369(100)2.754(100)24Na15.02 hβ—(100)β—:1.389(~100)
12 镁
Magnesium
28Mg21.0 hβ—(100)β—:0.459(100)0.0306(95)0.942(36)1.342(54)
15 磷Phosphorus 32P14.28 dβ—(100)β—:l.711(100)33P25.3 dβ—(100)β—:0.249(100)
16 硫
Sulfur
35S87.4 dβ—(98.1)β—:0.167(100)少量β+湮没辐射及S-kX
17 氯Chlorine 36Cl 3.00×10 5 aβ—(98.1)β—:0.709(98.1) 1.642(31.l)
2.168(42)38Cl37.3 min EC,β+β—:l.11(31.3)
β—(100) 4.913(57.6)
19 钾Potassium 40K 1.28×109 aβ-(89.3),β—:1.325(89.3) 2.168(99.8)山西2014年高考分数线
1.461(10.7)42K1
2.36 h EC,β+ 1.525(18.8)
43K22.3 hβ—(100)β—:l.97(18.3)0.373(86)
3.56(81.2)0.618(80)
β—:0.825(87)
20 钙Calcium 45Ca165 dβ—(100)β—:0.258(100)
47Ca 1.536 dβ—(100)β—:0.684(83.9) 1.297(77)
1.981(16.l)
49Ca8.72 minβ—(100)β—:1.95(88) 3.084(92)
23 钒Vanadium 48V15.98 d
β+(49.6)
β+:0.698(49.6)
β+湮没辐射(49.6)EC(50.4)0.984(100)
1.312(97.5)
archyTi-kX0.0045(9.49)
24 铬Chromium 51Cr20.70 d EC(100)Aug.e:0.0044(56.1),0.320(10.2)
0.0049(12.4)V-kX0.0049(19.71)
26铁iron (Ferrum)55Fe 2.7 a EC(100)Aug. e:0.0052(53.6) 0.0058(12.7)Mn-kX0.0059(25.7)59Fe44.6 dβ—(100)
β—:0.269(47), 1.099(56.5)
0.461(51) 1.292(43.2)
27 钴 Cobalt 57Co27l d EC(100)Aug.e:0.0057(89.7)I.C.e.:0.0073(70.3)0.122(85.6)Fe-kX0.0064(46.5)
58Co70.8 dβ+(15)EC(85)β+0.474(15)β+湮没辐射(15)0.8ll(99.4)
Aug.e:0.0056(43.5),Fe kX0.0064(23.1)
0.0063(10.6)
60Co 5.27l aβ—(100)β—0.315(~99.7) 1.173(~100)
1.332(~100)
29 铜 Copper (Cuprum)64Cu12.70 hβ—(39.6)β+(19.3)β—:0.571(39.6)β+湮没辐射(19.3)Ni-kX0.0075(13.9)Ec(41.l)β+:0.657(19.3)
67Cu61.9 hβ—(100)β—:0.395(45),0.434(35),0.577(20)0.0933(17)0.185(47)
30 锌 Zinc
65Zn244.1 dβ+
(1.46)EC(98.54)
β+:0.325(1.46)0.777(18.2)
Aug.e:0.0071(41.0) 1.116(50.8)
Cu-kX0.0080(33.2)69Zn m14.0 h IT(>99)0.0079(10.9)0.439(95)
β—极少
31 镓Gallium 67Ga78.8 h EC(100)
Aug.e:0.0075(51.4)0.093(38)
I C.e:0.0824(28.5)0.185(23.6)
0.300(19)
Zn-kX0.0086(49.4)
34 硒Selenium 75Se118.5 d EC(100)Aug.e.:0.0091(33.9) 0.0104(9.9)0.136(54)0.265(58)0.280(24)
As-kX0.0107(51.5)
35 溴Bromine 77Br57.0 h EC(>99)β⼗β+0.336(<1=0.239(22.8)
0.521(22.l)
Se-kX
82Br35.34 hβ⼀(100)β⼗0.444(98.3)0.619(43)0.777(83)1.044(27)
1.317(27)
paparazzi什么意思36 氪Krypton
85Kr10.7 aβ—(100)β—:0.672(99.57)很少
85Kr m 4.48 hβ—(79)β—:0.84(78.8)0.151(78)IT(21)0.305(14)
37 铷Rubidium 81Rb 4.58 hβ⼗(27) 1.05(20)β+湮没辐射(27)0.190(66) EC(73)0.446(19)
86Rb18.8 dβ—(100) 1.774(91.2)Kr- kX
87Rb 4.8×1010 aβ—(100)0.272(100) 1.077(8.8)
38 锶Strontium
85Sr64.8 d EC(100)Arg.e:0.115(21)0.514(<99)
Rb kX 0.0133(50.1)87Sr m 2.80 h IT(99.:0.372(14.7)0.388(82)
EC
89Sr50.5 dβ—(100) 1.488(~100)极少
90Sr28.8 aβ—(100)0.546(100)
39 钇 Yttrium 87Y80.3 h EC(99.8)很少0.485(92)
β+Sr kX 0.0141(59.8)90Y64.1 hβ—(100)β—:2.288(100)少
91Y58.5 dβ—(100)β—1.545(99.7)少
42 钼Molybdenum 99Mo66.02 hβ—(100)β—:0.450(14),0.739(12.6)
1.214(84)
43 锝Technetium
99Tc 2.14×105 aβ—(100)β—:0.292(~100)极少0.141(89) 99Tc m 6.02 h IT(>99)
49 铟Indium
111In 2.83 d EC(100)
Aug.e:0.0192(11)0.171(87.6)
<:0.145(9.1)0.245(94.2)
Cd- kX 0.0230(23.9)
0.0232(45.0) 111In m 1.7 h IT(:0.364(28)0.393(64)
50 锡
Tin (Stannum)113Sn115.1 d EC(100)Aug.e:0.021(13.5)0.255(2.1)
In- kX 0.024(80.1)
52 碲Tellurium 132Te78 hβ—(100)β—:0.215(100)0.228(88)
<:0.127(11.6)I- kX 0.028(53.7)
53 碘 Iodine 123I130 h EC(100)Aug.e:0.0227(8.8)0.159(83)
<:0.127(11.6)Te kX 0.027(70.9)
1.69(11)
125I60.2dβ—(100)Aug.e:0.0227(13.7)0.355(6.7)
<:0.037(11.6)Te kX 0.027(119)
0.031(26
130I12.36 hβ—(100)β—:0.62(52)0.536(99)
usher in
1.04(48)0.669(96)
53 碘 Iodine 130I12.36 hβ—(100) 1.04(48)0.669(96)
0.739(82) 131I8.04 dβ—(100)β—:0.336(13)0.364(81)
bxl
0.607(86)0.637(7.2) 132I 2.28 hβ—(100)S
β—:0.74(12.8)0.668(98.7)
1.19(18.1)0.773(76.2)
1.47(1
2.0)0.995(18.1)
1.62(1
2.7)
topsage2.14(16.4)
54 氙Xenon 133Xe 5.25 dβ—(100)β—:0.346(99.1)0.081(36.1)
<:0.045(52.7)Cs- kX 0.031(38.5)
55 铯Cesium 129Cs32 h EC(100)0.375(48)
0.416(25) 131Cs9.688 d EC(100)Xe- kX 0.030(74) 137Cs30.17 aβ—(100)β—:0.512(94)0.662(85)
56 钡 Barium
133Ba10.7 a EC(100)Arg.e:0.045(46)
0.081(34)
0.356(62)
Cs-kX0.031(100)
afar0.035(23) 133Ba m1.62 d IT(>99)0.276(17.5) 137Ba m2.552 min IT(100)0.662(89.9)
70 镱Ytterbium 169Yb32.0 d EC(100)
<:0.0061(71.2)0.0631(73.8)
0.0504(35.2)0.177(21.7)
0.198(36)
Tm-kX0.050(146.3),0.058(38.3)
71 镥Lutetium 177Lu 6.71 dβ—(100)β—:0.497(90)0.208(11.0)
0.113(3.8)
76 锇Osmium 185Os93.6 d EC(100)0.646(81)
Re-kX0.061(19.3) 191Os15.4 dβ—(100)0.143(100)0.061(33.4)
79 ⾦Gold (Aurum)195Au m30.6 s IT(100)0.262(67)
Re- kX 0.070(22) 198Au 2.696 dβ—(100)β—:0.961(98.6)0.412(95.5)
80 汞Mercury 195Hg m41 h EC(49)0.560(8.6)
T(51)Au kX0.070
Hg-kX0.071 197Hg64.1 h EC(100)0.077(19.1)
Au- kX 0.070(71.8) 197Hg m23.8 h IT(:0.082(24.9)52. 134(34.3)
EC0.119(41.0)
203Hg46.8 dβ—(100)β—:0.212(100)0.279(81.5)
消石灰
<:0.194(13.3)
81 铊Thallium 201Th74 h EC(100)52. 167(9)
Hg kX0.071(65)
52. 铅Lead (Plumbum)203Pb52.0 h EC(100)0.279(81)
T1-kX0.073 210Pb22.3 aβ—(~100)0.0165(80)0.0465(4)α(极少)0.0630(20)
85 砹Astatine 211At7.21 h EC(58.1)α5.866(~41)0.245(12)α(41.9)Po-kX0.079
86 氡
Radon
222Rn 3.8235 dα(100)α5.49(~100)极少
88 镭
Radium
226Ra1600 aα(100)α4.785(94.5)0.186(3.3)
90 钍Thorium 228Th 1.9131 aα(100)α:5.341(26.7)0.084(1.2)
α:5.432(72.7)
94 钚Plutonium 238Pu87.74 aα(100)α:5.457(28.3)u-kX0.0135(5.1)
α:5.499(71.6)0.0175(7.4)
<:0.022(20.7)
95 镅Americium 241Am(100)α:5.443(12.8)0.060(35.7)
:5.486(85.2)
98 锎Californium 252Cf 2.64 a
(⾃发型变半
α(100)⾃发裂变(3.1)
:6.076(15.3)
Californium 252Cf
(⾃发型变半
衰期 85.5 a)
吱吱喳喳读音α(100)⾃发裂变(3.1) 6.118(81.4)
中⼦产额2.32×1012/g/s
极少
Bruce Lone 整理于2015-10-13