Platinum Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 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 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005