常用放射性核素核大数据的表,
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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 氢Hydtogn3H12.33 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Nitrogen13N9.96 minβ+(100)β+:1.190(100)β+湮没辐射(100)8 氧oxygen15O122 sβ+(>99),ECβ+:1.723(>99)β+湮没辐射(>99)9 氟Fluorine18F109.8 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Magnesium28Mg21.0 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Sulfur35S87.4 dβ—(98.1)β—:0.167(100)少量β+湮没辐射及S-kX17 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)1.461(10.7)42K12.36 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 dβ+(49.6)β+:0.698(49.6)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 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 Zinc65Zn244.1 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-kX82Br35.34 hβ⼀(100)β⼗0.444(98.3)0.619(43)0.777(83)1.044(27)1.317(27)36 氪Krypton85Kr10.7 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- kX87Rb 4.8×1010 aβ—(100)0.272(100) 1.077(8.8)38 锶Strontium85Sr64.8 d EC(100)Arg.e:0.115(21)0.514(<99)Rb kX 0.0133(50.1)87Sr m 2.80 h IT(99.7)IC.e.:0.372(14.7)0.388(82)EC89Sr50.5 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Technetium99Tc 2.14×105 aβ—(100)β—:0.292(~100)极少0.141(89) 99Tc m 6.02 h IT(>99)49 铟Indium111In 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) 111In m 1.7 h IT(100)IC.e.: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)IC.e.: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)IC.e.: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)IC.e.:0.037(11.6)Te kX 0.027(119)0.031(26130I12.36 hβ—(100)β—:0.62(52)0.536(99)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)0.607(86)0.637(7.2) 132I 2.28 hβ—(100)Sβ—: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 氙Xenon 133Xe 5.25 dβ—(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 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 Barium133Ba10.7 a EC(100)Arg.e:0.045(46)0.081(34)0.356(62)Cs-kX0.031(100)0.035(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)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 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 kX0.070Hg-kX0.071 197Hg64.1 h EC(100)0.077(19.1)Au- kX 0.070(71.8) 197Hg m23.8 h IT(93)IC.e.:0.082(24.9)52. 134(34.3)EC0.119(41.0)203Hg46.8 dβ—(100)β—:0.212(100)0.279(81.5)IC.e.: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-kX0.07986 氡Radon222Rn 3.8235 dα(100)α5.49(~100)极少88 镭Radium226Ra1600 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)IC.e.: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)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。
【知识】常⽤放射性核素名称及半衰期表常⽤放射性核素名称及半衰期表核素名称半衰期核素名称半衰期氢3H12.35±0.01年铍7 Be53.3±0.1天碳14C5730±40年钠22 Na 2.602±0.002年钠24Na15.03±0.01⼩时镁28Mg21.0±0.1⼩时磷32P14.28±0.01天磷33P25.34±0.12天硫35S87.4±0.2天氯36Cl(3.00±0.02)×105年钾40K(1.277±0.008)×109年氩41Ar 1.83±0.01⼩时钾42K12.36±0.01⼩时钾43K22.3±0.1⼩时钪43Sc 3.89±0.01⼩时钪44mSc 2.44±0.01天钪44Sc 3.93±0.01⼩时钛44Ti47.3±1.2年钙45Ca165±1天钪46Sc83.85±0.05天钙47Ca 4.536±0.002天钪47Sc 3.351±0.002天钪48Sc43.7±0.2⼩时钒48V15.976±0.003天钒49V330±15天铬51Cr27.70±0.01天锰52Mn 5.59±0.01天锰54Mn312.5±0.1天铁55Fe 2.7±0.1年钴55Co17.5±0.1⼩时锰56Mn 2.579±0.001⼩时钴56Cr78.6±0.2天钴57Co270.9±0.6天镍57Ni36.0±0.2⼩时钴58Co70.8±0.1天铁59Fe44.5±0.2天钴60Co 5.270±0.003年镍63Ni100±2年铜64Cu12.70±0.01⼩时锌65Zn244.1±0.4天镓66Ga9.4±0.1⼩时铜67Cu61.9±0.2⼩时镓67Ga78.3±0.1⼩时镓68Ga68.1±0.2分锗68Ge288±6天锌69mZn14.0±0.3⼩时锌69Zn55.6±1.6分锗71Ge11.15±0.15天砷71As61±2⼩时镓72Ga14.10±0.02⼩时砷72As26.0±0.1⼩时砷73As80.30±0.06天砷74As17.78±0.03天硒75Se118.5±0.3天砷76As26.31±0.04⼩时溴82Br35.31±0.03⼩时氪83mKr 1.83±0.02⼩时氪85mKr 4.48±0.01⼩时氪85Kr10.73±0.03年锶85Sr64.8±0.1天铷86Rb18.82±0.11天氪87Kr76.3±0.5分钇87Y-锶87mSr 87Y:80.3±0.3⼩时 87mSr: 2.80±0.01⼩时钇87mY13.2±0.2⼩时氪88Kr 2.84±0.03⼩时铷88Rb17.8±0.2分钇88Y106.6±0.2天锶89Sr50.5±0.2天锶90Sr28.6±0.3年钇90Y64.1±0.1⼩时锶91Sr9.5±0.1⼩时钇91mY49.7±0.1分钇91Y58.5±0.1天铌91mNb62天锶92Sr 2.71±0.01⼩时钇92Y 3.54±0.01⼩时铌92mNb10.15±0.03天铌94mNb 6.26±0.01分锆95Zr64.0±0.1天铌95mNb86.6±0.8⼩时铌95Nb35.0±0.1天锆97Zr16.9±0.1⼩时铌97mNb60±8秒铌97Nb72±1分锝97Tc(2.6±0.4)×106年钌97Ru 2.88±0.04天钼99Mo66.02±0.02⼩时锝99mTc 6.02±0.02⼩时锝99Tc(2.14±0.05)×105年钌103Ru-铑103mRh 103Ru:39.35±0.05天 103mRh:56.12±0.01分钯103Pd17.0±0.1天钌105Ru 4.44±0.02⼩时铑105mRh45秒铑105Rh35.44±0.10⼩时铑105mRh45秒铑105Rh35.44±0.10⼩时银105Ag41.29±0.07天钌106Ru368.0±1.6天铑106Rh30.0±0.3秒银108mAg127±7年钯109Pd13.46±0.02⼩时镉109Cd453±2天银110mAg249.9±0.1天银111Ag7.45±0.02天铟111In 2.83±0.01天铟113mIn99.5±0.2分锡113Sn115.1±0.3天铟114mIn49.51±0.01天镉115mCd44.6±0.5天镉115Cd53.5±0.1⼩时铟115mIn 4.486±0.004⼩时锡119mSn≈250天锡121Sn27.0±0.1⼩时锑122Sb 2.69±0.02天碲123mTe119.7±0.1天碘123I13.05±0.02⼩时锑124Sb60.20±0.03天锑125Sb 2.73±0.04年碲125mTe58±1天碘125I60.12±0.15天碘126I12.93±0.06天碲127mTe109±2天碘129I(1.6±0.1)×107年碘131I8.040±0.001天铯131Cs9.688±0.004天碲132Te78.2±0.8⼩时碘132I 2.30±0.03⼩时铯132Cs 6.47±0.02天碘133I20.8±0.2⼩时氙133Xe 5.25±0.02天钡133Ba10.59±0.11年碲134Te41.8±0.8分碘134I52.6±0.1分铯134Cs 2.062±0.005年碘135I 6.61±0.01⼩时氙135mXe15.6±0.2分氙135Xe9.09±0.02⼩时铯136Cs13.16±0.03天铯137Cs-钡137m Ba 137Cs:30.17±0.05年 137m Ba:2.552±0.002分铯138Cs32.2±0.2分钡139Ba83.0±0.3分铈139Ce137.66±0.13天钡140Ba12.746±0.010天镧140La40.27±0.01⼩时铈141Ce32.50±0.05天镧142La93±1分镨142Pr19.13±0.04⼩时铈143Ce33.0±0.2⼩时镨143Pr13.58±0.03天铈144Ce284.4±0.3天镨144m Pr7.2±0.2分镨144 Pr17.27±0.02分钕147Nd11.0±0.1天钷147Pm 2.6234±0.0002年钷149Pm53.08±0.11⼩时钷151Pm28.40±0.04⼩时钐151Sm90±8年铕152Eu13.2±0.3年钐153Sm46.7±0.1⼩时钆153Gd241.6±0.2天铕155Eu 4.9±0.1年铕156Eu15.2±0.1天铽160Tb72.1±0.3天钬166mHo1200±180年钬166Ho26.80±0.02⼩时铥168Tm93.1±0.1天铒169Er9.40±0.02天镱169Yb31.97±0.05天铥170Tm128.3±0.7天镱175Yb 4.19±0.01天铪175Hf70±2天镥177Lu 6.71±0.01天钽180mTa8.1±0.1⼩时铪181Hf42.4±0.1天钨181W121.1±0.1天钽182Ta115.0±0.2天钽183Ta 5.1±0.1天钨185W75.1±0.3天锇185Os93.6±0.5天铼186Re90.6±0.1⼩时钨187W23.9±0.1⼩时铼188Re16.98±0.02⼩时铱190Ir11.8±0.1天锇191Os15.4±0.1天铱192Ir74.2±0.2天铱193m Ir10.6±0.2天铱194 Ir19.3±0.1⼩时铂195mPt 4.020±0.009天⾦195Au183±1天⾦196Au 6.18±0.02天铂197Pt18.3±0.3⼩时汞197mHg23.8±0.1⼩时汞197Hg64.1±0.2⼩时⾦198Au 2.695±0.002天⾦199Au 3.14±0.02天汞203Hg46.8±0.2天铊204Tl 3.773±0.002年铋205Bi15.3±0.1天铋206Bi 6.243±0.003天。