金的同位素

金（原子量：196.966570(4)）有1种稳定同位素（197Au）及36种放射性同位素。

金-197是观测上稳定的同位素，即理论上具有放射性，但实验中未有观察到。现时，金被认定是最重的单一同位素元素。

## 图表

169Au

168.99808(32)#

150# µs

1/2+#

170Au

169.99612(22)#

310(50) µs286(+50−40) µs

(2−)

630(60) µs0.62(+6−5) ms

(9+)

p

170Pt

α （不常见）

167Ir

α (54%)

167Ir

p (46%)

170Pt

α (98%)

168Ir

p (2%)

171Pt

α

169Ir

β+ （不常见）

173Pt

α (96%)

169Ir

β+ (4%)

173Pt

α

170Ir

β+ （不常见）

174Pt

171(29) ms

high

α (82%)

171Ir

β+ (18%)

175Pt

α

171Ir

β+

175Pt

α (60%)

172Ir

β+ (40%)

176Pt

860(160) ms

(7+)

β+ (60%)

177Pt

α (40%)

173Ir

1.180(12) s

11/2−

β+ (60%)

178Pt

α (40%)

174Ir

β+ (78%)

179Pt

α (22%)

175Ir

(11/2−)

β+ (98.2%)

180Pt

α (1.8%)

176Ir

β+ (97.3%)

181Pt

α (2.7%)

177Ir

β+ (99.87%)

182Pt

α (.13%)

178Ir

β+ (99.2%)

183Pt

α (.8%)

179Ir

>1 µs

(1/2)+

<1 µs

(11/2)−

184Au

183.967452(24)

20.6(9) s

β+

184Pt

5+

β+ (70%)

184Pt

IT (30%)

184Au

α (.013%)

180Ir

β+ (99.74%)

185Pt

α (.26%)

181Ir

6.8(3) min

1/2+#

β+ (99.9992%)

186Pt

α (8×10−4%)

182Ir

110(10) ns

2+

β+ (99.997%)

187Pt

α (.003%)

183Ir

2.3(1) s

IT

187Au

9/2−

188Au

187.965324(22)

8.84(6) min

β+

188Pt

1(−)

β+ (99.9997%)

189Pt

α (3×10−4%)

185Ir

β+

189Pt

IT （不常见）

189Au

190(15) ns

9/2−

242(10) ns

31/2+

β+

190Pt

α (10−6%)

186Ir

IT

190Au

β+ （不常见）

190Pt

191Au

190.96370(4)

3.18(8) h

β+

191Pt

3/2+

920(110) ms

IT

191Au

(11/2−)

>400 ns

192Au

191.964813(17)

4.94(9) h

β+

192Pt

1−

29 ms

IT

192Au

(5#)+

160(20) ms

(11−)

193Au

192.964150(11)

17.65(15) h

β+

193Pt

3/2+

IT (99.97%)

193Au

β+ (.03%)

193Pt

150(50) ns

(31/2+)

194Au

193.965365(11)

38.02(10) h

β+

194Pt

1−

600(8) ms

IT

194Au

(5+)

420(10) ms

(11−)

195Au

194.9650346(14)

186.098(47) d

EC

195Pt

3/2+

30.5(2) s

IT

195Au

11/2−

β+ (93.05%)

196Pt

β- (6.95%)

196Hg

8.1(2) s

IT

196Au

5+

9.6(1) h

12−

197Au

196.9665687(6)

观测上稳定

3/2+

1.0000

7.73(6) s

IT

197Au

11/2−

198Au

197.9682423(6)

2.69517(21) d

β-

198Hg

2−

124(4) ns

5+

2.27(2) d

IT

198Au

(12−)

199Au

198.9687652(6)

3.139(7) d

β-

199Hg

3/2+

440(30) µs

(11/2)−

200Au

199.97073(5)

48.4(3) min

β-

200Hg

1(−)

β- (82%)

200Hg

IT (18%)

200Au

201Au

200.971657(3)

26(1) min

β-

201Hg

3/2+

202Au

201.97381(18)

28.8(19) s

β-

202Hg

(1−)

203Au

202.975155(3)

53(2) s

β-

203Hg

3/2+

204Au

203.97772(22)#

39.8(9) s

β-

204Hg

(2−)

205Au

204.97987(32)#

31(2) s

β-

205Hg

3/2+

## 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：gold
- 货币符号：Au
- 日语原文：金
- standard atomic weight：196.966570(4)