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Platinum Isotopes






Proton number: 78


Stable Isotopes


Platinum stable isotope number 1: 192Pt
Neutrons: 114;
Abundance: 0.782%;
Jn: 0+;

Platinum stable isotope number 2: 194Pt
Neutrons: 116;
Abundance: 32.967%;
Jn: 0+;

Platinum stable isotope number 3: 195Pt
Neutrons: 117;
Abundance: 33.832%;
Jn: 1/2-;

Platinum stable isotope number 4: 196Pt
Neutrons: 118;
Abundance: 25.242%;
Jn: 0+;

Platinum stable isotope number 5: 198Pt
Neutrons: 120;
Abundance: 7.163%;
Jn: 0+;

Natural Radioactive isotopes


Platinum radioactive isotope number 1: 190Pt
Neutrons: 112;
Abundance: 0.014%;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 2.04984E+19s ≈ 6.500000e+11 y;

Artificial Radioactive isotopes


Platinum radioactive isotope number 1: 166Pt
Neutrons: 88;
Jn: 0+;
Decay: α : 100.00 %;
t1/2: 0.0003s ≈ 0.30 ms;

Platinum radioactive isotope number 2: 167Pt
Neutrons: 89;
Jn: Unknown;
Decay: α : 100.00 %;
t1/2: 0.0009s ≈ 0.90 ms;

Platinum radioactive isotope number 3: 168Pt
Neutrons: 90;
Jn: 0+;
Decay: α ≤ 100.00 %;
t1/2: 0.0021s ≈ 2.10 ms;

Platinum radioactive isotope number 4: 169Pt
Neutrons: 91;
Jn: Unknown;
Decay: α ~ 100.00 %;
t1/2: 0.007s ≈ 7.00 ms;

Platinum radioactive isotope number 5: 170Pt
Neutrons: 92;
Jn: 0+;
Decay: α;
t1/2: 0.014s ≈ 14.00 ms;

Platinum radioactive isotope number 6: 171Pt
Neutrons: 93;
Jn: Unknown;
Decay: α ~ 98.00 %
ε : 2.00 %;
t1/2: 0.051s ≈ 51.00 ms;

Platinum radioactive isotope number 7: 172Pt
Neutrons: 94;
Jn: 0+;
Decay: α : 94.00 %
ε : 6.00 %;
t1/2: 0.104s ;

Platinum radioactive isotope number 8: 173Pt
Neutrons: 95;
Jn: Unknown;
Decay: α : 83.00 %
ε;
t1/2: 0.37s ;

Platinum radioactive isotope number 9: 174Pt
Neutrons: 96;
Jn: 0+;
Decay: α : 76.00 %
ε : 24.00 %;
t1/2: 0.889s ;

Platinum radioactive isotope number 10: 175Pt
Neutrons: 97;
Jn: 7/2-;
Decay: α : 64.00 %
ε : 36.00 %;
t1/2: 2.53s ;

Platinum radioactive isotope number 11: 176Pt
Neutrons: 98;
Jn: 0+;
Decay: ε : 60.00 %
α : 40.00 %;
t1/2: 6.33s ;

Platinum radioactive isotope number 12: 177Pt
Neutrons: 99;
Jn: 5/2-;
Decay: ε : 94.30 %
α : 5.70 %;
t1/2: 10.6s ;

Platinum radioactive isotope number 13: 178Pt
Neutrons: 100;
Jn: 0+;
Decay: ε : 92.30 %
α : 7.70 %;
t1/2: 21.1s ;

Platinum radioactive isotope number 14: 179Pt
Neutrons: 101;
Jn: 1/2-;
Decay: ε : 99.76 %
α : 0.24 %;
t1/2: 21.2s ;

Platinum radioactive isotope number 15: 180Pt
Neutrons: 102;
Jn: 0+;
Decay: ε : 100.00 %
α ~ 0.30 %;
t1/2: 56s ;

Platinum radioactive isotope number 16: 181Pt
Neutrons: 103;
Jn: 1/2-;
Decay: ε ~ 100.00 %
α ~ 0.08 %;
t1/2: 52s ;

Platinum radioactive isotope number 17: 182Pt
Neutrons: 104;
Jn: 0+;
Decay: ε : 99.96 %
α : 0.04 %;
t1/2: 180s ≈ 3.00 m;

Platinum radioactive isotope number 18: 183Pt
Neutrons: 105;
Jn: 1/2-;
Decay: ε : 100.00 %
α ~ 1.3E-3 %;
t1/2: 390s ≈ 6.50 m;

Platinum radioactive isotope number 19: 183Pt
Neutrons: 105;
Jn: 7/2-;
Decay: ε ~ 100.00 %
α < 4.0E-4 %
IT;
t1/2: 43s ;

Platinum radioactive isotope number 20: 184Pt
Neutrons: 106;
Jn: 0+;
Decay: ε : 100.00 %
α ~ 0.001 %;
t1/2: 1038s ≈ 17.30 m;

Platinum radioactive isotope number 21: 185Pt
Neutrons: 107;
Jn: 9/2+;
Decay: ε < 100.00 %;
t1/2: 4254s ≈ 1.18 h;

Platinum radioactive isotope number 22: 185Pt
Neutrons: 107;
Jn: 1/2-;
Decay: ε : 99.00 %
IT < 2.00 %;
t1/2: 1980s ≈ 33.00 m;

Platinum radioactive isotope number 23: 186Pt
Neutrons: 108;
Jn: 0+;
Decay: ε : 100.00 %
α ~ 1.4E-4 %;
t1/2: 7488s ≈ 2.08 h;

Platinum radioactive isotope number 24: 187Pt
Neutrons: 109;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 8460s ≈ 2.35 h;

Platinum radioactive isotope number 25: 188Pt
Neutrons: 110;
Jn: 0+;
Decay: ε : 100.00 %
α : 2.6E-5 %;
t1/2: 881280s ≈ 10.20 d;

Platinum radioactive isotope number 26: 189Pt
Neutrons: 111;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 39132s ≈ 10.87 h;

Platinum radioactive isotope number 27: 191Pt
Neutrons: 113;
Jn: 3/2-;
Decay: ε : 100.00 %;
t1/2: 242092.8s ≈ 2.80 d;

Platinum radioactive isotope number 28: 191Pt
Neutrons: 113;
Jn: 13/2+;
Decay: IT : 100.00 %;
t1/2: 9.5E-05s ≈ 95.00 µs;

Platinum radioactive isotope number 29: 193Pt
Neutrons: 115;
Jn: 1/2-;
Decay: ε : 100.00 %;
t1/2: 1576800000s ≈ 50.00 y;

Platinum radioactive isotope number 30: 193Pt
Neutrons: 115;
Jn: 13/2+;
Decay: IT : 100.00 %;
t1/2: 374112s ≈ 4.33 d;

Platinum radioactive isotope number 31: 195Pt
Neutrons: 117;
Jn: 13/2+;
Decay: IT : 100.00 %;
t1/2: 346464s ≈ 4.01 d;

Platinum radioactive isotope number 32: 197Pt
Neutrons: 119;
Jn: 1/2-;
Decay: β - : 100.00 %;
t1/2: 71609.4s ≈ 19.89 h;

Platinum radioactive isotope number 33: 197Pt
Neutrons: 119;
Jn: 13/2+;
Decay: IT : 96.70 %
β - : 3.30 %;
t1/2: 5724.6s ≈ 1.59 h;

Platinum radioactive isotope number 34: 199Pt
Neutrons: 121;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 1848s ≈ 30.80 m;

Platinum radioactive isotope number 35: 199Pt
Neutrons: 121;
Jn: 13/2+;
Decay: IT : 100.00 %;
t1/2: 13.6s ;

Platinum radioactive isotope number 36: 200Pt
Neutrons: 122;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 45000s ≈ 12.50 h;

Platinum radioactive isotope number 37: 201Pt
Neutrons: 123;
Jn: 5/2-;
Decay: β - : 100.00 %;
t1/2: 150s ≈ 2.50 m;

Platinum radioactive isotope number 38: 202Pt
Neutrons: 124;
Jn: 0+;
Decay: β - : 100.00 %;
t1/2: 158400s ≈ 44.00 h;
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