钬的同位素

钬（原子量：164.930329(5)）的同位素，其中有1个同位素是在观测上稳定的。

## 图表

140Ho

139.96854(54)#

6(3) ms

8+#

141Ho

140.96310(54)#

4.1(3) ms

(7/2-)

6.4(8) µs

(1/2+)

β+

142Dy

p

141Dy

143Ho

142.95461(43)#

300# ms>200 ns

β+

143Dy

11/2-#

β+

144Dy

β+, p

143Tb

145Ho

144.94720(32)#

2.4(1) s

β+

145Dy

(11/2-)

100# ms

5/2+#

β+

146Dy

β+, p （不常见）

145Tb

β+

147Dy

β+, p （不常见）

146Tb

148Ho

147.93772(14)

2.2(11) s

β+

148Dy

(1+)

β+ (99.92%)

148Dy

β+, p (.08%)

147Tb

2.35(4) ms

(10+)

149Ho

148.933775(20)

21.1(2) s

β+

149Dy

(11/2-)

56(3) s

β+

149Dy

(1/2+)

>=100 ns

150Ho

149.933496(15)

76.8(18) s

β+

150Dy

2-

23.3(3) s

β+

150Dy

(9)+

751 ns

β+ (78%)

151Dy

α (22%)

147Tb

α (77%)

147Tb

β+ (22%)

151Dy

β+ (88%)

152Dy

α (12%)

148Tb

50.0(4) s

9+

8.4(3) µs

19-

β+ (99.94%)

153Dy

α (.05%)

149Tb

β+ (99.82%)

153Dy

α (.18%)

149Tb

229(2) ns

(31/2+)

β+ (99.98%)

154Dy

α (.02%)

150Tb

β+ (99.99%)

154Dy

α (.001%)

150Tb

IT （不常见）

154Ho

155Ho

154.929103(19)

48(1) min

β+

155Dy

5/2+

880(80) µs

11/2-

156Ho

155.92984(5)

56(1) min

β+

156Dy

4-

β+

156Dy

IT

156Ho

9.5(15) s

1-

157Ho

156.928256(26)

12.6(2) min

β+

157Dy

7/2-

β+ (93%)

158Dy

α (7%)

154Tb

IT (81%)

158Ho

β+ (19%)

158Dy

21.3(23) min

(9+)

159Ho

158.927712(4)

33.05(11) min

β+

159Dy

7/2-

8.30(8) s

IT

159Ho

1/2+

160Ho

159.928729(16)

25.6(3) min

β+

160Dy

5+

IT (65%)

160Ho

β+ (35%)

160Dy

3 s

(9+)

161Ho

160.927855(3)

2.48(5) h

EC

161Dy

7/2-

6.76(7) s

IT

161Ho

1/2+

162Ho

161.929096(4)

15.0(10) min

β+

162Dy

1+

IT (62%)

162Ho

β+ (38%)

162Dy

163Ho

162.9287339(27)

4570(25) a

EC

163Dy

7/2-

1.09(3) s

IT

163Ho

1/2+

EC (60%)

164Dy

β- (40%)

164Er

38.0(10) min37.5(+15-5) min

IT

164Ho

6-

165Ho

164.9303221(27)

观测上稳定

7/2-

1.0000

166Ho

165.9322842(27)

26.83(2) h

β-

166Er

0-

1,200(180) a

β-

166Er

(7)-

185(15) µs

3+

167Ho

166.933133(6)

3.003(18) h

β-

167Er

7/2-

6.0(10) µs

3/2+

168Ho

167.93552(3)

2.99(7) min

β-

168Er

3+

IT (99.5%)

168Ho

β- (.5%)

168Er

>4 µs

(1)-

108(11) ns

1+

169Ho

168.936872(22)

4.72(10) min

β-

169Er

7/2-

170Ho

169.93962(5)

2.76(5) min

β-

170Er

6+#

43(2) s

β-

170Er

(1+)

171Ho

170.94147(64)

53(2) s

β-

171Er

7/2-#

172Ho

171.94482(43)#

25(3) s

β-

172Er

173Ho

172.94729(43)#

10# s

β-

173Er

7/2-#

174Ho

173.95115(54)#

8# s

175Ho

174.95405(64)#

5# s

7/2-#

## 参考文献

- 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 , 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.

## 基本资料

- infobox_name：holmium
- 货币符号：Ho
- 日语原文：钬
- standard atomic weight：164.930329(5)