鈷(原子量:58.933194(3))共有40個同位素,其中有1個是穩定的。
Quick Facts 同位素, 衰變 ...
主要的鈷同位素
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標準原子質量 (Ar, 標準) | - 7001589331940000000♠58.933194(3)[1]
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More information 符號, Z ...
符號
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Z
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N
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同位素質量(u) [n 1][n 2]
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半衰期 [n 1][n 2]
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衰變 方式[2]
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衰變 產物 [n 3]
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原子核 自旋[n 1]
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相對豐度 (莫耳分率)[n 2]
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激發能量[n 1][n 2]
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47Co
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27
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20
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47.01149(54)#
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7/2−#
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48Co
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27
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21
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48.00176(43)#
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p
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47Fe
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6+#
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49Co
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27
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22
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48.98972(28)#
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<35 ns
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p (>99.9%)
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48Fe
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7/2−#
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β+ (<.1%)
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49Fe
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50Co
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27
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23
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49.98154(18)#
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44(4) ms
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β+, p (54%)
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49Mn
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(6+)
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β+ (46%)
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50Fe
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51Co
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27
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24
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50.97072(16)#
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60# ms [>200 ns]
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β+
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51Fe
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7/2−#
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52Co
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27
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25
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51.96359(7)#
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115(23) ms
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β+
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52Fe
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(6+)
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52mCo
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380(100)# keV
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104(11)# ms
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β+
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52Fe
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2+#
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IT
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52Co
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53Co
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27
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26
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52.954219(19)
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242(8) ms
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β+
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53Fe
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7/2−#
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53mCo
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3197(29) keV
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247(12) ms
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β+ (98.5%)
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53Fe
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(19/2−)
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p (1.5%)
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52Fe
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54Co
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27
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27
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53.9484596(8)
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193.28(7) ms
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β+
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54Fe
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0+
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54mCo
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197.4(5) keV
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1.48(2) min
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β+
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54Fe
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(7)+
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55Co
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27
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28
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54.9419990(8)
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17.53(3) h
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β+
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55Fe
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7/2−
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56Co
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27
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29
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55.9398393(23)
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77.233(27) d
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β+
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56Fe
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4+
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57Co
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27
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30
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56.9362914(8)
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271.74(6) d
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ε
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57Fe
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7/2−
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58Co
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27
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31
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57.9357528(13)
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70.86(6) d
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β+
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58Fe
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2+
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58m1Co
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24.95(6) keV
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9.04(11) h
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IT
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58Co
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5+
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58m2Co
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53.15(7) keV
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10.4(3) µs
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4+
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59 Co
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27
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32
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58.9331950(7)
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穩定
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7/2−
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1.0000
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60 Co
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27
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33
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59.9338171(7)
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5.2713(8) y
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β−, γ
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60Ni
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5+
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60mCo
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58.59(1) keV
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10.467(6) min
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IT (99.76%)
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60Co
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2+
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β− (.24%)
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60Ni
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61Co
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27
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34
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60.9324758(10)
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1.650(5) h
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β−
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61Ni
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7/2−
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62Co
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27
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35
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61.934051(21)
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1.50(4) min
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β−
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62Ni
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2+
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62mCo
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22(5) keV
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13.91(5) min
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β− (99%)
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62Ni
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5+
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IT (1%)
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62Co
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63Co
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27
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36
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62.933612(21)
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26.9(4) s
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β−
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63Ni
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7/2−
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64Co
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27
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37
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63.935810(21)
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0.30(3) s
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β−
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64Ni
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1+
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65Co
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27
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38
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64.936478(14)
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1.20(6) s
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β−
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65Ni
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(7/2)−
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66Co
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27
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39
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65.93976(27)
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0.18(1) s
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β−
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66Ni
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(3+)
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66m1Co
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175(3) keV
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1.21(1) µs
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(5+)
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66m2Co
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642(5) keV
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>100 µs
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(8-)
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67Co
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27
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40
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66.94089(34)
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0.425(20) s
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β−
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67Ni
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(7/2−)#
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68Co
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27
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41
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67.94487(34)
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0.199(21) s
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β−
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68Ni
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(7-)
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68mCo
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150(150)# keV
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1.6(3) s
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(3+)
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69Co
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27
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42
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68.94632(36)
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227(13) ms
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β− (>99.9%)
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69Ni
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7/2−#
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β−, n (<.1%)
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68Ni
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70Co
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27
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43
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69.9510(9)
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119(6) ms
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β− (>99.9%)
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70Ni
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(6-)
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β−, n (<.1%)
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69Ni
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70mCo
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200(200)# keV
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500(180) ms
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(3+)
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71Co
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27
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44
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70.9529(9)
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97(2) ms
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β− (>99.9%)
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71Ni
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7/2−#
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β−, n (<.1%)
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70Ni
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72Co
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27
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45
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71.95781(64)#
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62(3) ms
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β− (>99.9%)
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72Ni
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(6-,7-)
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β−, n (<.1%)
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71Ni
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73Co
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27
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46
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72.96024(75)#
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41(4) ms
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7/2−#
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74Co
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27
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47
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73.96538(86)#
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50# ms [>300 ns]
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0+
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75Co
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27
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48
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74.96833(86)#
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40# ms [>300 ns]
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7/2−#
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Close
畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 (英語).
- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties (頁面存檔備份,存於互聯網檔案館), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (頁面存檔備份,存於互聯網檔案館) (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.