鉿的同位素

鉿（原子量：178.49(2)）的同位素，有5個是穩定的，以及1個天然放射性同位素鉿。

## 圖表

153Hf

152.97069(54)#

400# ms >200 ns

1/2+#

500# ms

11/2−#

β+

154Lu

α （不常見）

150Yb

β+

155Lu

α （不常見）

151Yb

α (97%)

152Yb

β+ (3%)

156Lu

480(40) µs

8+

α (86%)

153Yb

β+ (14%)

157Lu

β+ (55%)

158Lu

α (45%)

154Yb

β+ (59%)

159Lu

α (41%)

155Yb

β+ (99.3%)

160Lu

α (.7%)

156Yb

β+ (99.7%)

161Lu

α (.3%)

157Yb

β+ (99.99%)

162Lu

α (.008%)

158Yb

β+

163Lu

α (10−4%)

159Yb

164Hf

163.944367(22)

111(8) s

β+

164Lu

0+

165Hf

164.94457(3)

76(4) s

β+

165Lu

(5/2−)

166Hf

165.94218(3)

6.77(30) min

β+

166Lu

0+

167Hf

166.94260(3)

2.05(5) min

β+

167Lu

(5/2)−

168Hf

167.94057(3)

25.95(20) min

β+

168Lu

0+

169Hf

168.94126(3)

3.24(4) min

β+

169Lu

(5/2)−

170Hf

169.93961(3)

16.01(13) h

EC

170Lu

0+

171Hf

170.94049(3)

12.1(4) h

β+

171Lu

7/2(+)

29.5(9) s

IT

171Hf

1/2(−)

172Hf

171.939448(26)

1.87(3) y

EC

172Lu

0+

163(3) ns

(8−)

173Hf

172.94051(3)

23.6(1) h

β+

173Lu

1/2−

174Hf

173.940046(3)

3.8×10^16y

α

170Yb

0+

0.0016(1)

0.001619–0.001621

138(4) ns

(6+)

2.39(4) µs

(8−)

2.39(4) µs

(8−)

3.7(2) µs

(14+)

175Hf

174.941509(3)

70(2) d

β+

175Lu

5/2−

176Hf

175.9414086(24)

觀測上穩定

0+

0.0526(7)

0.05206–0.05271

177Hf

176.9432207(23)

觀測上穩定

7/2−

0.1860(9)

0.18593–0.18606

1.09(5) s

23/2+

55.9(12) µs

(19/2−)

51.4(5) min

37/2−

178Hf

177.9436988(23)

觀測上穩定

0+

0.2728(7)

0.27278–0.27297

4.0(2) s

8−

31(1) y

16+

68(2) µs

(14−)

179Hf

178.9458161(23)

觀測上穩定

9/2+

0.1362(2)

0.13619–0.1363

18.67(4) s

1/2−

25.05(25) d

25/2−

180Hf

179.9465500(23)

觀測上穩定

0+

0.3508(16)

0.35076–0.351

5.47(4) h

8−

0.57(2) µs

(4−)

15(5) µs

(10+)

10(1) µs

12+

>10 µs

(14+)

90(10) µs

(18−)

181Hf

180.9491012(23)

42.39(6) d

β-

181Ta

1/2−

80(5) µs

(9/2+)

~100 µs

(17/2+)

1.5(5) ms

(27/2−)

182Hf

181.950554(7)

8.90(9)×106 y

β-

182Ta

0+

β- (58%)

182Ta

IT (42%)

182Hf

183Hf

182.95353(3)

1.067(17) h

β-

183Ta

(3/2−)

184Hf

183.95545(4)

4.12(5) h

β-

184Ta

0+

48(10) s

β-

184Ta

8−

185Hf

184.95882(21)#

3.5(6) min

β-

185Ta

3/2−#

186Hf

185.96089(32)#

2.6(12) min

β-

186Ta

0+

187Hf

186.96459(43)#

30# s >300 ns

188Hf

187.96685(54)#

20# s >300 ns

0+

189Hf

188.97085(32)#

400# ms >300 ns

3/2−#

190Hf

189.97338(43)#

600# ms >300 ns

0+

191Hf

192Hf

0+

## 參考文獻

- 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) . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) .
- 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 , Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.

## 基本資料

- infobox_name：hafnium
- 貨幣符號：Hf
- 日語原文：鉿
- standard atomic weight：178.49(2)