鉑的同位素

鉑（原子量：195.084(9)）有5個穩定同位素以及1個天然放射性同位素190。

**圖表**
165Pt
78
87
u=us
α
161Os
166Pt
78
88
165.99486(54)#
u=us
α
162Os
0+
167Pt
78
89
166.99298(44)#
1.1(2) ms
α
163Os
7/2−#
168Pt
78
90
167.98815(22)
2.00(18) ms
α
164Os
0+
β+ （不常見）
168Ir
169Pt
78
91
168.98672(22)#
3.7(15) ms
α
165Os
3/2−#
β+ （不常見）
169Ir
170Pt
78
92
169.982495(20)
14.0(2) ms
α (98%)
166Os
0+
β+ (2%)
170Ir
171Pt
78
93
170.98124(9)
51(2) ms
α (99%)
167Os
3/2−#
β+ (1%)
171Ir
172Pt
78
94
171.977347(14)
98.4(24) ms
α (77%)
168Os
0+
β+ (23%)
172Ir
173Pt
78
95
172.97644(6)
365(7) ms
α (84%)
169Os
5/2−#
β+ (16%)
173Ir
174Pt
78
96
173.972819(13)
0.889(17) s
α (83%)
170Os
0+
β+ (17%)
174Ir
175Pt
78
97
174.972421(20)
2.53(6) s
α (64%)
171Os
5/2−#
β+ (36%)
175Ir
176Pt
78
98
175.968945(15)
6.33(15) s
β+ (62%)
176Ir
0+

α (38%)
172Os
177Pt
78
99
176.968469(16)
10.6(4) s
β+ (94.4%)
177Ir
5/2−
α (5.6%)
173Os
177mPt
147.4(4) keV
2.2(3) µs
1/2−
178Pt
78
100
177.965649(12)
21.1(6) s
β+ (92.3%)
178Ir
0+
α (7.7%)
174Os
179Pt
78
101
178.965363(10)
21.2(4) s
β+ (99.76%)
179Ir
1/2−
α (0.24%)
175Os
180Pt
78
102
179.963031(12)
56(2) s
β+ (99.7%)
180Ir
0+
α (0.3%)
176Os
181Pt
78
103
180.963097(16)
52.0(22) s
β+ (99.93%)
181Ir
1/2−
α (0.074%)
177Os
182Pt
78
104
181.961171(17)
2.2(1) min
β+ (99.96%)
182Ir
0+
α (.038%)
178Os
183Pt
78
105
182.961597(17)
6.5(10) min
β+ (99.99%)
183Ir
1/2−
α (.0096%)
179Os
183m1Pt
34.50(8) keV
43(5) s
β+ (99.99%)
183Ir
(7/2)−
α (4×10−4%)
179Os
IT
183Pt
183m2Pt
195.68(11) keV
>150 ns
(9/2)+
184Pt
78
106
183.959922(19)
17.3(2) min
β+ (99.99%)
184Ir
0+
α (.00169%)
180Os
184mPt
1839.4(16) keV
1.01(5) ms
IT
184Pt
8−
185Pt
78
107
184.96062(4)
70.9(24) min
β+ (99.99%)
185Ir
(9/2+)
α (.005%)
181Os
185mPt
103.4(2) keV
33.0(8) min
β+ (98%)
185Ir
(1/2−)
α (2%)
181Os
186Pt
78
108
185.959351(23)
2.08(5) h
β+ (99.99%)
186Ir
0+
α (1.4×10−4%)
182Os
187Pt
78
109
186.96059(3)
2.35(3) h
β+
187Ir
3/2−
188Pt
78
110
187.959395(6)
10.2(3) d
EC (99.99%)
188Ir
0+
α (2.6×10−5%)
184Os
189Pt
78
111
188.960834(12)
10.87(12) h
β+
189Ir
3/2−
189m1Pt
172.80(6) keV
464(25) ns
9/2−
189m2Pt
191.6(4) keV
143(5) µs
(13/2+)
190Pt
78
112
189.959932(6)
4.97(16)×1011 y
α
186Os
0+
1.4(1)×10−4
191Pt
78
113
190.961677(5)
2.862(7) d
EC
191Ir
3/2−
191m1Pt
100.67(2) keV
>1 µs
(9/2)−
191m2Pt
149.04(2) keV
95(5) µs
(13/2)+
192Pt
78
114
191.9610380(27)
觀測上穩定
0+
0.00782(7)
193Pt
78
115
192.9629874(18)
50(6) y
EC
193Ir
1/2−
193mPt
149.78(4) keV
4.33(3) d
IT
193Pt
13/2+
194Pt
78
116
193.9626803(9)
觀測上穩定
0+
0.32967(99)
195Pt
78
117
194.9647911(9)
觀測上穩定
1/2−
0.33832(10)
195mPt
259.30(8) keV
4.010(5) d
IT
195Pt
13/2+
196Pt
78
118
195.9649515(9)
觀測上穩定
0+
0.25242(41)
197Pt
78
119
196.9673402(9)
19.8915(19) h
β-
197Au
1/2−
197mPt
399.59(20) keV
95.41(18) min
IT (96.7%)
197Pt
13/2+
β- (3.3%)
197Au
198Pt
78
120
197.967893(3)
觀測上穩定
0+
0.07163(55)
199Pt
78
121
198.970593(3)
30.80(21) min
β-
199Au
5/2−
199mPt
424(2) keV
13.6(4) s
IT
199Pt
(13/2)+
200Pt
78
122
199.971441(22)
12.5(3) h
β-
200Au
0+
201Pt
78
123
200.97451(5)
2.5(1) min
β-
201Au
(5/2−)
202Pt
78
124
201.97574(32)#
44(15) h
β-
202Au
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) date=20110324090740 . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and  Atomic Weights Revised (2005) date=20080305062433 .- 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.