镓(原子量:69.723(1))共有34个同位素,其中有2个是稳定的。
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符号
|
Z
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N
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同位素质量(u) [n 1][n 2]
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半衰期 [n 1][n 2]
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衰变 方式[3]
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衰变 产物 [n 3][n 4]
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原子核 自旋[n 1]
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相对丰度 (莫耳分率)[4][n 2]
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激发能量[n 2]
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56Ga
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31
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25
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55.99491(28)#
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|
p
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55Zn
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3+#
|
|
57Ga
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31
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26
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56.98293(28)#
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|
p
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56Zn
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1/2−#
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58Ga
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31
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27
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57.97425(23)#
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|
p
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57Zn
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2+#
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59Ga
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31
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28
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58.96337(18)#
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p
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58Zn
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3/2−#
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60Ga
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31
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29
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59.95706(12)#
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70(10) ms
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β+
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60Zn
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(2+)
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61Ga
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31
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30
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60.94945(6)
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168(3) ms
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β+
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61Zn
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3/2−
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62Ga
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31
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31
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61.944175(30)
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116.18(4) ms
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β+
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62Zn
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0+
|
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63Ga
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31
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32
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62.9392942(14)
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32.4(5) s
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β+
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63Zn
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(3/2−)
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64Ga
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31
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33
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63.9368387(22)
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2.627(12) min
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β+
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64Zn
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0(+#)
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64mGa
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42.85(8) keV
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21.9(7) µs
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|
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2+
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|
65Ga
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31
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34
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64.9327348(9)
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15.2(2) min
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β+
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65Zn
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3/2−
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66Ga
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31
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35
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65.931589(3)
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9.49(7) h
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β+
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66Zn
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0+
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67Ga[n 5]
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31
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36
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66.9282017(14)
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3.2612(6) d
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ε
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67Zn
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3/2−
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68Ga[n 6]
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31
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37
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67.9279801(16)
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67.783(27) min[1]
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β+
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68Zn
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1+
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69 Ga
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31
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38
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68.9255736(13)
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稳定
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3/2−
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0.60108(50)
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70Ga
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31
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39
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69.9260220(13)
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21.14(3) min
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β− (99.59)
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70Ge
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1+
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ε (0.41%)
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70Zn
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71Ga
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31
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40
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70.9247013(11)
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稳定
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3/2−
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0.39892(50)
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72Ga
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31
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41
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71.9263663(11)
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14.095(3) h
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β−
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72Ge
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3-
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72mGa
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119.66(5) keV
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39.68(13) ms
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IT
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72Ga
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(0+)
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|
73Ga
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31
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42
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72.9251747(18)
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4.86(3) h
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β−
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73Ge
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3/2−
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|
74Ga
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31
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43
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73.926946(4)
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8.12(12) min
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β−
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74Ge
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(3-)
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|
74mGa
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59.571(14) keV
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9.5(10) s
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|
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(0)
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75Ga
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31
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44
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74.9265002(26)
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126(2) s
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β−
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75Ge
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(3/2)−
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|
76Ga
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31
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45
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75.9288276(21)
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32.6(6) s
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β−
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76Ge
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(2+,3+)
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|
77Ga
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31
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46
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76.9291543(26)
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13.2(2) s
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β−
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77Ge
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(3/2−)
|
|
78Ga
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31
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47
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77.9316082(26)
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5.09(5) s
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β−
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78Ge
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(3+)
|
|
79Ga
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31
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48
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78.93289(11)
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2.847(3) s
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β− (99.911%)
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79mGe
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(3/2−)#
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|
β−, n (.089%)
|
78Ge
|
80Ga
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31
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49
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79.93652(13)
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1.697(11) s
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β− (99.11%)
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80Ge
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(3)
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β−, n (.89%)
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79Ge
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81Ga
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31
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50
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80.93775(21)
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1.217(5) s
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β− (88.11%)
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81mGe
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(5/2−)
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β−, n (11.89%)
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80Ge
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82Ga
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31
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51
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81.94299(32)#
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0.599(2) s
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β− (78.5%)
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82Ge
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(1,2,3)
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β−, n (21.5%)
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81Ge
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83Ga
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31
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52
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82.94698(32)#
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308(1) ms
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β− (60%)
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83Ge
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3/2−#
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β−, n (40%)
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82Ge
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84Ga
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31
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53
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83.95265(43)#
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0.085(10) s
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β−, n (70%)
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83Ge
|
|
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β− (30%)
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84Ge
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85Ga
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31
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54
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84.95700(54)#
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50# ms [>300 ns]
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|
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3/2−#
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86Ga
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31
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55
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85.96312(86)#
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30# ms [>300 ns]
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Close
画上#号的数据代表没有经过实验的证明,仅为理论推测。
Deexcitation gamma used in medical imaging
Medically useful radioisotope
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 (英语).
- 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 (页面存档备份,存于互联网档案馆), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (页面存档备份,存于互联网档案馆) (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.