銦的同位素

銦（原子量：114.818）在自然界中由兩種同位素組成，其中比較多的是有放射性，但半衰期長達4.4114年的115In，占了天然銦的95.7%，而穩定的113In只占了4.3%。在所有有穩定同位素的元素中，只有碲和錸同樣有豐度比穩定同位素還高的放射性同位素。

除了115In以外，銦最長壽的放射性同位素是111In，半衰期為2.8047天。銦還有47種同核異構體，其中最長壽的是半衰期49.51天的114m1In。

銦-111可用作伽馬攝影的放射性示蹤劑，也用於銦-111白血球造影，檢測是否有隱藏的感染。

## 圖表

97In

96.94954(64)#

5# ms

9/2+#

98In

97.94214(21)#

45(23) ms32(+32-11) ms

β+

98Cd

0+#

1.7(8) s1.2(+12-4) s

99In

98.93422(43)#

3.1(8) s3.0(+8-7) s

β+

99Cd

9/2+#

1# s

1/2-#

β+ (96.1%)

100Cd

β+, p (3.9%)

99Ag

β+

100Cd

β+, p

100Ag

10# s

1/2-#

β+ (99.99%)

102Cd

β+, p (.00929%)

101Ag

103In

102.919914(27)

60(1) s

β+

103Cd

9/2+#

34(2) s

(1/2-)#

104In

103.91830(9)

1.80(3) min

β+

104Cd

5,6(+)

IT (80%)

104In

β+ (20%)

104Cd

105In

104.914674(19)

5.07(7) min

β+

105Cd

9/2+

48(6) s

IT

105In

(1/2)-

106In

105.913465(13)

6.2(1) min

β+

106Cd

7+

5.2(1) min

β+

106Cd

(3+)

107In

106.910295(12)

32.4(3) min

β+

107Cd

9/2+

50.4(6) s

IT

107In

1/2-

108In

107.909698(10)

58.0(12) min

β+

108Cd

7+

39.6(7) min

β+

108Cd

2+

109In

108.907151(6)

4.2(1) h

β+

109Cd

9/2+

1.34(7) min

IT

109In

1/2-

209(6) ms

(19/2+)

110In

109.907165(13)

4.9(1) h

β+

110Cd

7+

69.1(5) min

β+

110Cd

2+

111In

110.905103(5)

2.8047(5) d

EC

111Cd

9/2+

7.7(2) min

IT

111In

1/2-

β+ (56%)

112Cd

β- (44%)

112Sn

20.56(6) min

β+

112Cd

4+

690(50) ns

7+

2.81(3) µs

8-

113In

112.904058(3)

Stable

9/2+

0.0429(5)

1.6579(4) h

IT

113In

1/2-

β+ (99.5%)

114Cd

β- (0.5%)

114Sn

IT (96.75%)

114In

β+ (3.25%)

114Cd

IT (96.75%)

114In

β+ (3.25%)

114Cd

4.3(4) µs

(7+)

銦

114.903878(5)

4.41(25)×1014 a

β-

115Sn

9/2+

0.9571(5)

IT (95%)

115In

β- (5%)

115Sn

β-

116Sn

EC

116Cd

54.29(17) min

5+

2.18(4) s

8-

117In

116.904514(6)

43.2(3) min

β-

117Sn

9/2+

β- (52.91%)

117Sn

IT (47.09%)

117In

118In

117.906354(9)

5.0(5) s

β-

118Sn

1+

4.364(7) min

β-

118Sn

5+

8.5(3) s

8-

119In

118.905845(8)

2.4(1) min

β-

119Sn

9/2+

β- (94.4%)

119Sn

IT (5.6%)

119In

130(15) ns

1/2+,3/2+

120In

119.90796(4)

3.08(8) s

β-

120Sn

1+

46.2(8) s

5+

47.3(5) s

β-

120Sn

8(-)

121In

120.907846(29)

23.1(6) s

β-

121Sn

9/2+

β- (98.8%)

121Sn

IT (1.2%)

121In

122In

121.91028(5)

1.5(3) s

β-

122Sn

1+

10.3(6) s

5+

10.8(4) s

β-

122Sn

8-

123In

122.910438(26)

6.17(5) s

β-

123mSn

(9/2)+

47.4(4) s

β-

123mSn

(1/2)-

124In

123.91318(5)

3.11(10) s

β-

124Sn

3+

β-

124Sn

IT

124In

125In

124.91360(3)

2.36(4) s

β-

125mSn

9/2+

12.2(2) s

β-

125Sn

1/2(-)

126In

125.91646(4)

1.53(1) s

β-

126Sn

3(+#)

1.64(5) s

β-

126Sn

8(-#)

β- (99.97%)

127mSn

β-, n (.03%)

126Sn

β- (99.31%)

127mSn

β-, n (.69%)

126Sn

β- (99.96%)

128Sn

β-, n (.038%)

127Sn

10(7) ms

(1)-

720(100) ms

β-

128Sn

(8-)

β- (99.75%)

129Sn

β-, n (.25%)

128Sn

β- (97.2%)

129Sn

β-, n (2.5%)

128Sn

IT (.3%)

129In

8.5(5) µs

17/2-

β- (98.35%)

130Sn

β-, n (1.65%)

129Sn

538(5) ms

10-#

0.54(1) s

(5+)

β- (97.8%)

131Sn

β-, n (2.19%)

130Sn

0.35(5) s

(1/2-)

320(60) ms

(19/2+ to 23/2+)

β- (94.8%)

132Sn

β-, n (5.2%)

131Sn

β-, n (85%)

132Sn

β- (15%)

133Sn

180# ms

IT

133In

(1/2-)

β- (79%)

134Sn

β-, n (17%)

133Sn

β-, 2n (4%)

132Sn

135In

134.94933(54)#

92(10) ms

9/2+#

## 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：indium
- 日語原文：銦
- 貨幣符號：In
- standard atomic weight：114.818(1)