Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹⁶⁶Pt

165.99486 (54)

300

us

-4,790 (500)

7,733 (3)

A

100

¹⁶⁷Pt

166.99298 (44)

700

us

-6,540 (410)

7,745 (2)

A

100

¹⁶⁸Pt

167.98815 (22)

2

ms

-11,040 (210)

7,774 (1.2)

A~100

¹⁶⁹Pt

168.98672 (22)

3.7

ms

-12,380 (200)

7,783 (1)

A

?

¹⁷⁰Pt

169.982495 (20)

13.8

ms

-16,306 (19)

7,808.3 (1.1)

A

?

¹⁷¹Pt

170.981245 (95)

44

ms

-17,471 (88)

7,816.6 (5.2)

A

?

¹⁷²Pt

171.977347 (14)

98.4

ms

-21,101 (13)

7,839.21 (7.4)

A

77 21

¹⁷³Pt

172.976445 (60)

365

ms

-21,942 (56)

7,845.4 (3.2)

A

84 6

¹⁷⁴Pt

173.972819 (13)

889

ms

-25,319 (12)

7,866.12 (6.8)

A

76 8

¹⁷⁵Pt

174.972421 (20)

2.52

s

-25,690 (19)

7,869.4 (1.1)

A

64 5

¹⁷⁶Pt

175.968945 (15)

6.33

s

-28,928 (14)

7,888.96 (8.2)

B+ ?

¹⁷⁷Pt

176.968469 (16)

10.6

s

-29,370 (15)

7,892.49 (8.5)

B+

94.3 5

¹⁷⁸Pt

177.965649 (12)

21.1

s

-31,998 (11)

7,908.26 (6.1)

B+

92.3 3

¹⁷⁹Pt

178.9653634 (98)

21.2

s

-32,263.8 (9.1)

7,910.65 (5.1)

B+~100

¹⁸⁰Pt

179.963031 (12)

52

s

-34,436 (11)

7,923.61 (6.1)

B+~100

¹⁸¹Pt

180.963097 (16)

52

s

-34,375 (15)

7,924.09 (8.2)

B+~100

¹⁸²Pt

181.961171 (17)

2.2

m

-36,169 (16)

7,934.76 (8.6)

B+~100

¹⁸³Pt

182.961597 (17)

6.5

m

-35,772 (16)

7,933.34 (8.5)

B+~100

¹⁸⁴Pt

183.959922 (19)

17.3

m

-37,332 (18)

7,942.56 (9.9)

B+~100

¹⁸⁵Pt

184.960619 (44)

70.9

m

-36,683 (41)

7,939.8 (2.2)

B+~100

¹⁸⁶Pt

185.959351 (23)

2.08

h

-37,864 (22)

7,946.8 (1.2)

B+

100

¹⁸⁷Pt

186.960587 (30)

2.35

h

-36,713 (28)

7,941.3 (1.5)

B+

100

¹⁸⁸Pt

187.9593954 (58)

10.2

d

-37,823.0 (5.4)

7,947.91 (2.9)

EC

100

¹⁸⁹Pt

188.960834 (12)

10.87

h

-36,483 (11)

7,941.48 (5.9)

B+

100

¹⁹⁰Pt

189.9599317 (61)

0.014 (1)

650

Gy

-37,323.4 (5.7)

7,946.58 (3)

¹⁹¹Pt

190.9616767 (47)

2.802

d

-35,698.0 (4.4)

7,938.73 (2.3)

EC

100

¹⁹²Pt

191.9610380 (27)

0.782 (7)

stable

-36,292.9 (2.5)

7,942.51 (1.3)

¹⁹³Pt

192.9629874 (18)

50

y

-34,477.0 (1.7)

7,933.773 (9)

EC

100

¹⁹⁴Pt

193.96268025 (95)

32.967 (99)

stable

-34,763.12 (88)

7,935.957 (5)

¹⁹⁵Pt

194.96479113 (94)

33.832 (10)

stable

-32,796.85 (88)

7,926.567 (5)

¹⁹⁶Pt

195.96495152 (93)

25.242 (41)

stable

-32,647.45 (87)

7,926.544 (4)

¹⁹⁷Pt

196.96734018 (89)

19.8915

h

-30,422.43 (83)

7,915.984 (4)

B-

100

¹⁹⁸Pt

197.9678928 (33)

7.163 (55)

stable

-29,907.7 (3.1)

7,914.17 (1.6)

¹⁹⁹Pt

198.9705931 (34)

30.8

m

-27,392.4 (3.2)

7,902.32 (1.6)

B-

100

²⁰⁰Pt

199.971441 (22)

12.5

h

-26,603 (20)

7,899.2 (1)

B-

100

²⁰¹Pt

200.974513 (54)

2.5

m

-23,741 (50)

7,885.8 (2.5)

B-

100

²⁰²Pt

201.97574 (32)

44

h

-22,600 (300)

7,881 (1)

B-

100

^177mPt

176.968469 (16)

2.2

us

-29,370 (15)

7,892.49 (8.5)

IT

100

^183mPt

182.961597 (17)

43

s

-35,772 (16)

7,933.34 (8.5)

B+~100

^184mPt

183.959922 (19)

1.01

ms

-37,332 (18)

7,942.56 (9.9)

IT

100

^185mPt

184.960619 (44)

33

m

-36,683 (41)

7,939.8 (2.2)

B+

?

^189mPt

188.960834 (12)

143

us

-36,483 (11)

7,941.48 (5.9)

0

^191mPt

190.9616767 (47)

95

us

-35,698.0 (4.4)

7,938.73 (2.3)

0

^193mPt

192.9629874 (18)

4.33

d

-34,477.0 (1.7)

7,933.773 (9)

IT

100

^195mPt

194.96479113 (94)

4.02

d

-32,796.85 (88)

7,926.567 (5)

IT

100

^197mPt

196.96734018 (89)

95.41

m

-30,422.43 (83)

7,915.984 (4)

IT

96.7 4

^199mPt

198.9705931 (34)

13.6

s

-27,392.4 (3.2)

7,902.32 (1.6)

IT

100