鐠的同位素

鐠（原子量：140.90766(1)）的同位素，其中有1個同位素是穩定的。

**圖表**
121Pr
59
62
120.95536(75)#
600(300) ms
p
120Ce
(3/2-)
β+ （不常見）
121Ce
β+, p （不常見）
120La
122Pr
59
63
121.95181(54)#
500# ms
β+
122Ce
123Pr
59
64
122.94596(64)#
800# ms
β+
123Ce
3/2+#
124Pr
59
65
123.94296(64)#
1.2(2) s
β+
124Ce
β+, p （不常見）
123La
125Pr
59
66
124.93783(43)#
3.3(7) s
β+
125Ce
3/2+#
β+, p （不常見）
124La
126Pr
59
67
125.93531(21)#
3.12(18) s
β+
126Ce
(4,5,6)
β+, p （不常見）
125La
127Pr
59
68
126.93083(21)#
4.2(3) s
β+
127Ce
3/2+#
127mPr
600(200)# keV
50# ms
11/2-
128Pr
59
69
127.92879(3)
2.84(9) s
β+
128Ce
(3+)
β+, p （不常見）
127La
129Pr
59
70
128.92510(3)
32(3) s
β+
129Ce
(11/2-)
129mPr
382.7(5) keV
1# ms
β+
129Ce
(11/2-)
130Pr
59
71
129.92359(7)
40.0(4) s
β+
130Ce
(6,7)(+#)
130mPr
100(100)# keV
10# s
2+#
131Pr
59
72
130.92026(6)
1.50(3) min
β+
131Ce
(3/2+)
131mPr
152.4(2) keV
5.7(2) s
IT (96.4%)
131Pr
(11/2-)
β+ (3.59%)
131Ce
132Pr
59
73
131.91926(6)
1.49(11) min
β+
132Ce
(2+)
132mPr
0(100)# keV
20# s
β+
132Ce
(5+)
133Pr
59
74
132.916331(13)
6.5(3) min
β+
133Ce
(3/2+)
133mPr
192.05(14) keV
1.1(2) µs
(11/2-)
134Pr
59
75
133.91571(4)
~11 min
β+
134Ce
(5-)
134mPr
0(100)# keV
17(2) min
β+
134Ce
2-
135Pr
59
76
134.913112(13)
24(2) min
β+
135Ce
3/2(+)
135mPr
358.06(6) keV
105(10) µs
(11/2-)
136Pr
59
77
135.912692(13)
13.1(1) min
β+
136Ce
2+
137Pr
59
78
136.910705(13)
1.28(3) h
β+
137Ce
5/2+
137mPr
561.22(23) keV
2.66(7) µs
11/2-
138Pr
59
79
137.910755(15)
1.45(5) min
β+
138Ce
1+
138mPr
348(23) keV
2.12(4) h
β+
138Ce
7-
139Pr
59
80
138.908938(8)
4.41(4) h
β+
139Ce
5/2+
140Pr
59
81
139.909076(7)
3.39(1) min
β+
140Ce
1+
140m1Pr
127.5(3) keV
0.35(2) µs
5+
140m2Pr
763.3(7) keV
3.05(20) µs
(8)-
141Pr
59
82
140.9076528(26)
Stable
5/2+
1.0000
142Pr
59
83
141.9100448(26)
19.12(4) h
β- (99.98%)
142Nd
2-
EC (.0164%)
142Ce
142mPr
3.694(3) keV
14.6(5) min
IT
142Pr
5-
143Pr
59
84
142.9108169(28)
13.57(2) d
β-
143Nd
7/2+
144Pr
59
85
143.913305(4)
17.28(5) min
β-
144Nd
0-
144mPr
59.03(3) keV
7.2(3) min
IT (99.93%)
144Pr
3-
β- (.07%)
144Nd
145Pr
59
86
144.914512(8)
5.984(10) h
β-
145Nd
7/2+
146Pr
59
87
145.91764(7)
24.15(18) min
β-
146Nd
(2)-
147Pr
59
88
146.918996(25)
13.4(4) min
β-
147Nd
(3/2+)
148Pr
59
89
147.922135(28)
2.29(2) min
β-
148Nd
1-
148mPr
50(30)# keV
2.01(7) min
β-
148Nd
(4)
149Pr
59
90
148.92372(9)
2.26(7) min
β-
149Nd
(5/2+)
150Pr
59
91
149.926673(28)
6.19(16) s
β-
150Nd
(1)-
151Pr
59
92
150.928319(25)
18.90(7) s
β-
151Nd
(3/2)(-#)
152Pr
59
93
151.93150(13)
3.63(12) s
β-
152Nd
4+
153Pr
59
94
152.93384(11)
4.28(11) s
β-
153Nd
5/2-#
154Pr
59
95
153.93752(16)
2.3(1) s
β-
154Nd
(3+,2+)
155Pr
59
96
154.94012(32)#
1# s >300 ns
β-
155Nd
5/2-#
156Pr
59
97
155.94427(43)#
500# ms >300 ns
β-
156Nd
157Pr
59
98
156.94743(43)#
300# ms
β-
157Nd
5/2-#
158Pr
59
99
157.95198(64)#
200# ms
β-
158Nd
159Pr
59
100
158.95550(75)#
100# ms
β-
159Nd
5/2-#

**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).- 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 date=20110716114059 , Nuc. Phys. A 729, pp. 3-128 (2003).
** National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the  NuDat 2.1 database date=20190513230730  (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.