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

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
Hydtogn

3H

12.33 a

β—(100)

β—:0.0186(100)

 

6 碳
Carbon

llC

20.38 min

β+(>99),EC

β+0.9608(>99

β+湮没辐射(>99

14C

5730 a

β100

β: 0.155(100

7 氮
Nitrogen

13N

9.96 min

β+100

β+1.190100

β+湮没辐射(100

8 氧
oxygen

15O

122 s

β+(>99),EC

β+:1.723(>99)

β+湮没辐射(>99)

9 氟
Fluorine

18F

109.8 min

β+(96.9),EC

β+:0.635(96.9)

β+湮没辐射(96.9)

11 钠
Sotliun

22Na

2.602 a

β+(90.26),EC

β+:0.546(90.2)

β+湮没辐射(90.26)1.275(99.94)1.369(100)2.754(100)

24Na

15.02 h

β100

β1.389(~100

12 镁Magnesium

28Mg

21.0 h

β100

β0.459100

0.0306(95)0.942(36)1.342(54

15 磷Phosphorus

32P

14.28 d

β—(100)

β—:l.711(100)

 

33P

25.3 d

β100

β0.249100

16 硫
Sulfur

35S

87.4 d

β98.1

β—:0.167(100)

少量β+湮没辐射及S-kX

17 氯Chlorine

36Cl

3.00×10 5 a

β—(98.1)

β—:0.709(98.1)

1.642(31.l

2.168(42

38Cl

37.3 min

EC,β

βl.1131.3

β100

4.913(57.6

19 钾Potassium

40K

1.28×109 a

β-89.3),

β1.32589.3

2.168(99.8

1.461(10.7

42K

12.36 h

EC,β

 

1.525(18.8

43K

22.3 h

β100

βl.9718.3

0.373(86

3.56(81.2

0.618(80

β0.82587

 

20 钙
Calcium

45Ca

165 d

β100

β0.258100

 

47Ca

1.536 d

β100

β0.68483.9

1.297(77

1.981(16.l

49Ca

8.72 min

β100

β1.9588

3.084(92

23 钒Vanadium

48V

15.98 d

β49.6

β0.69849.6

β+湮没辐射(49.6

EC(50.4

0.984(100

 

1.312(97.5

 

Ti-kX0.0045(9.49

24 铬Chromium

51Cr

20.70 d

EC(100

Aug.e:0.004456.1),

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)

59Fe

44.6 d

β—(100)

β—:0.269(47),

1.099(56.5)

0.461(51)

1.292(43.2)

27 钴 Cobalt

57Co

27l d

EC(100

Aug.e0.005789.7ICe.:0.007370.3

0.122(85.6Fe-kX0.006446.5

58Co

70.8 d

β+15)EC(85

β0.474(15

β湮没辐射(15)0.8ll(99.4

Aug.e0.005643.5),

Fe kX0.0064(23.1

0.0063(10.6

 

60Co

5.27l a

β100

β0.315(~99.7

1.173(~100

1.332(~100

29 铜 Copper (Cuprum)

64Cu

12.70 h

β39.6)β+19.3

β0.57139.6

β+湮没辐射(19.3)Ni-kX0.0075(13.9)

Ec(41.l

β0.65719.3

 

67Cu

61.9 h

β100

β0.39545),0.43435),0.57720

0.0933(17)0.185(47

30 锌 Zinc

65Zn

244.1 d

β+(1.46)EC(98.54)

β+:0.325(1.46)

0.777(18.2)

Aug.e:0.007141.0

1.116(50.8

 

Cu-kX0.008033.2

69Znm

14.0 h

IT(>99

0.0079(10.9

0.439(95)

β

极少

 

31 镓 Gallium

67Ga

78.8 h

EC(100

Aug.e0.007551.4

0.093(38

I C.e0.082428.5

0.185(23.6

 

0.300(19

 

Zn-kX0.008649.4

34 硒 Selenium

75Se

118.5 d

EC(100

Aug.e:0.009133.9) 0.0104(9.9

0.136(54)0.265(58)0.280(24

As-kX0.010751.5

35 溴
Bromine

77Br

57.0 h

EC(>99)β

β+0.336(<1

0.239(22.8

0.521(22.l

Se-kX

82Br

35.34 h

β100

β0.444(98.3

0.619(43)0.777(83)1.044(27

1.317(27

36 氪
Krypton

85Kr

10.7 a

β—(100)

β—:0.672(99.57)

很少

85Krm

4.48 h

β79

β0.8478.8

0.15178

IT(21

0.30514

37 铷
Rubidium

81Rb

4.58 h

β(27)

1.05(20)

β+湮没辐射(270.190(66)

EC(73)

0.446(19)

86Rb

18.8 d

β100

1.774(91.2

Kr- kX

87Rb

4.8×1010 a

β100

0.272(100

1.077(8.8)

38
Strontium

85Sr

64.8 d

EC(100)

Arg.e:0.115(21)

0.514(<99)

Rb kX 0.0133(50.1)

87Srm

2.80 h

IT(99.7)

IC.e.:0.372(14.7)

0.388(82)

EC

 

89Sr

50.5 d

β(100)

1.488(~100)

极少

90Sr

28.8 a

β(100)

0.546(100)

 

39 钇 Yttrium

87Y

80.3 h

EC(99.8)

很少

0.485(92)

β+

Sr kX 0.014159.8

90Y

64.1 h

β(100)

β:2.288(100)

91Y

58.5 d

β(100)

β1.545(99.7)

42 钼Molybdenum

99Mo

66.02 h

β(100)

β:0.450(14),

0.739(12.6)

1.214(84)

43 锝 Technetium

99Tc

2.14×105 a

β(100)

β:0.292(~100)

极少0.141(89)

99Tcm

6.02 h

IT(>99)

   

49
Indium

111In

2.83 d

EC(100)

Aug.e:0.0192(11)

0.171(87.6)

IC.e.:0.145(9.1)

0.245(94.2)

 

Cd- kX 0.0230(23.9)

 

0.0232(45.0)

111Inm

1.7 h

IT(100)

IC.e.:0.364(28)

0.393(64)

50
Tin
(Stannum)

113Sn

115.1 d

EC(100)

Aug.e:0.021(13.5)

0.255(2.1)

In- kX 0.024(80.1)

52 碲 Tellurium

132Te

78 h

β—(100)

β—:0.215(100)

0.228(88)

IC.e.:0.127(11.6)

I- kX 0.028(53.7)

53 碘 Iodine

123I

130 h

EC(100)

Aug.e:0.0227(8.8)

0.159(83)

IC.e.:0.127(11.6)

Te kX 0.027(70.9)

 

1.69(11)

125I

60.2d

β(100)

Aug.e:0.0227(13.7)

0.355(6.7)

IC.e.:0.037(11.6)

Te kX 0.027(119)

 

0.031(26

130I

12.36 h

β(100)

β:0.62(52)

0.536(99)

1.04(48)

0.669(96)

 

0.739(82)

131I

8.04 d

β(100)

β:0.336(13)

0.364(81)

0.607(86)

0.637(7.2)

132I

2.28 h

β(100)S

β:0.74(12.8)

0.668(98.7)

1.19(18.1)

0.773(76.2)

1.47(12.0)

0.995(18.1)

1.62(12.7)

 

2.14(16.4)

 

54
Xenon

133Xe

5.25 d

β(100)

β:0.346(99.1)

0.081(36.1)

IC.e.:0.045(52.7)

Cs- kX 0.031(38.5)

55 铯 Cesium

129Cs

32 h

EC(100)

 

0.375(48)

0.416(25)

131Cs

9.688 d

EC(100)

 

Xe- kX 0.030(74)

137Cs

30.17 a

β(100)

β:0.512(94)

0.662(85)

56 钡 Barium

133Ba

10.7 a

EC(100)

Arg.e:0.045(46)

0.081(34)

0.356(62)

Cs-kX0.031(100)

0.035(23)

133Bam

1.62 d

IT(>99)

 

0.276(17.5)

137Bam

2.552 min

IT(100)

 

0.662(89.9)

70 镱 Ytterbium

169Yb

32.0 d

EC(100)

IC.e.: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 d

β(100)

β:0.497(90)

0.208(11.0)
0.113(3.8)

76
Osmium

185Os

93.6 d

EC(100)

 

0.646(81)

Re-kX0.061(19.3)

191Os

15.4 d

β(100)

0.143(100)

0.061(33.4)

79
Gold
(Aurum)

195Aum

30.6 s

IT(100)

 

0.262(67)

Re- kX 0.070(22)

198Au

2.696 d

β(100)

β:0.961(98.6)

0.412(95.5)

80 汞 Mercury

195Hgm

41 h

EC(49)

 

0.560(8.6)

T(51)

Au kX0.070

 

Hg-kX0.071

197Hg

64.1 h

EC(100)

 

0.077(19.1)

Au- kX 0.070(71.8)

197Hgm

23.8 h

IT(93)

IC.e.:0.082(24.9)

52. 134(34.3)

EC

0.119(41.0)

203Hg

46.8 d

β(100)

β:0.212(100)

0.279(81.5)

IC.e.:0.194(13.3)

81
Thallium

201Th

74 h

EC(100)

 

52. 167(9)

Hg kX0.071(65)

52.
Lead
(Plumbum)

203Pb

52.0 h

EC(100)

 

0.279(81)

T1-kX0.073

210Pb

22.3 a

β(~100)

0.0165(80)

0.0465(4)

α(极少)

0.0630(20)

85 砹 Astatine

211At

7.21 h

EC(58.1)

α5.866(~41)

0.245(12)

α(41.9)

Po-kX0.079

86
Radon

222Rn

3.8235 d

α(100)

α5.49(~100)

极少

88
Radium

226Ra

1600 a

α(100)

α4.785(94.5)

0.186(3.3)

90
Thorium

228Th

1.9131 a

α(100)

α:5.341(26.7)

0.084(1.2)

α:5.432(72.7)

94 钚 Plutonium

238Pu

87.74 a

α(100)

α:5.457(28.3)

u-kX0.0135(5.1)

α:5.499(71.6)

0.0175(7.4)

IC.e.:0.022(20.7)

 

95 镅 Americium

241Am

433 a

α(100)

α:5.443(12.8)

0.060(35.7)

α:5.486(85.2)

Np kX0.0130(13.3)
0.0178(19.3)

98 锎Californium

252Cf

2.64 a

(自发型变半衰期 85.5 a)

α(100)自发裂变(3.1)

α:6.076(15.3)
6.118(81.4)
中子产额2.32×1012/g/s

极少

Bruce Lone 整理于2015-10-13

转载于:https://www.cnblogs.com/BruceLone/p/4873366.html

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