钛(原子量:47.867)共有28个同位素,其中有5个是稳定的。
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符号
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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[2]
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衰变 产物 [n 3]
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原子核 自旋[n 1]
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相对丰度 (莫耳分率)[n 2]
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相对丰度 的变化量 (莫耳分率)
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激发能量[n 2]
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38Ti
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22
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16
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38.00977(27)#
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<120 ns
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2p
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36Ca
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0+
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|
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39Ti
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22
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17
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39.00161(22)#
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31(4) ms [31(+6-4) ms]
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β+, p (85%)
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38Ca
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3/2+#
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|
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β+ (15%)
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39Sc
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β+, 2p (<.1%)
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37K
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40Ti
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22
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18
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39.99050(17)
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53.3(15) ms
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β+ (56.99%)
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40Sc
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0+
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|
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β+, p (43.01%)
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39Ca
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41Ti
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22
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19
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40.98315(11)#
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80.4(9) ms
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β+, p (>99.9%)
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40Ca
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3/2+
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|
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β+ (<.1%)
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41Sc
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42Ti
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22
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20
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41.973031(6)
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199(6) ms
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β+
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42Sc
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0+
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|
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43Ti
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22
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21
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42.968522(7)
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509(5) ms
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β+
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43Sc
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7/2−
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|
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43m1Ti
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313.0(10) keV
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12.6(6) µs
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|
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(3/2+)
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|
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43m2Ti
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3066.4(10) keV
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560(6) ns
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|
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(19/2−)
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|
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44Ti
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22
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22
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43.9596901(8)
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60.0(11) y
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ε
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44Sc
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0+
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|
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45Ti
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22
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23
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44.9581256(11)
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184.8(5) min
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β+
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45Sc
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7/2−
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|
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46Ti
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22
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24
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45.9526316(9)
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稳定
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0+
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0.0825(3)
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47Ti
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22
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25
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46.9517631(9)
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稳定
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5/2−
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0.0744(2)
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48 Ti
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22
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26
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47.9479463(9)
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稳定
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0+
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0.7372(3)
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49Ti
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22
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27
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48.9478700(9)
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稳定
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7/2−
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0.0541(2)
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50Ti
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22
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28
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49.9447912(9)
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稳定
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0+
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0.0518(2)
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51Ti
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22
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29
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50.946615(1)
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5.76(1) min
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β−
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51V
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3/2−
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|
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52Ti
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22
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30
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51.946897(8)
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1.7(1) min
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β−
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52V
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0+
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|
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53Ti
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22
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31
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52.94973(11)
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32.7(9) s
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β−
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53V
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(3/2)−
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|
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54Ti
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22
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32
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53.95105(13)
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1.5(4) s
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β−
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54V
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0+
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|
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55Ti
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22
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33
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54.95527(16)
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490(90) ms
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β−
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55V
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3/2−#
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|
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56Ti
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22
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34
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55.95820(21)
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164(24) ms
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β− (>99.9%)
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56V
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0+
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|
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β−, n (<.1%)
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55V
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57Ti
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22
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35
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56.96399(49)
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60(16) ms
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β− (>99.9%)
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57V
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5/2−#
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|
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β−, n (<.1%)
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56V
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58Ti
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22
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36
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57.96697(75)#
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54(7) ms
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β−
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58V
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0+
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|
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59Ti
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22
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37
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58.97293(75)#
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30(3) ms
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β−
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59V
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(5/2−)#
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|
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60Ti
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22
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38
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59.97676(86)#
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22(2) ms
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β−
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60V
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0+
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|
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61Ti
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22
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39
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60.98320(97)#
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10# ms [>300 ns]
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β−
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61V
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1/2−#
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|
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β−, n
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60V
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62Ti
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22
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40
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61.98749(97)#
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10# ms
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|
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0+
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|
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63Ti
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22
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41
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62.99442(107)#
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3# ms
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1/2−#
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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。
- 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).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report) (页面存档备份,存于互联网档案馆). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) (页面存档备份,存于互联网档案馆).
- 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.